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| | | | | | | | | | | | | | | | | Name | Time of Death | Cause of Death | | CoinEx Global | 2026-09-15 | Business Reasons | | BitMEX | 2026-09-23 | Business Reasons | | NovaDAX | 2026-09-01 | Business Reasons | | BitMart | 2026-07-26 | Business Reasons | | AscendEX | 2026-07-01 | Regulatory Reasons | | Zonda Exchange | 2026-06-29 | Scam | | Coinmetro | 2026-06-22 | Business Reasons | | Xcalibra | 2026-06-08 | MIA (Just Disappeared) | | Bitbuy | 2026-06-01 | Rebranding | | PocketBits | 2026-05-20 | Rebranding | | IDEX | 2026-03-23 | Rebranding | | Easy Crypto Exchange | 2026-02-16 | Business Reasons | | Easy Crypto Australia | 2026-02-16 | Business Reasons | | Easy Crypto South Africa | 2026-02-16 | Business Reasons | | Easy Crypto Brazil | 2026-02-16 | Business Reasons | | ProBit | 2026-01-28 | Regulatory Reasons | | Morpher | 2026-01-19 | Business Reasons | | Bitop | 2026-01-01 | Scam | | Blocto Swap | 2025-12-18 | Business Reasons | | OceanEx | 2025-12-05 | Business Reasons | | BTCsquare | 2025-12-03 | MIA (Just Disappeared) | | CoinList Pro | 2025-11-30 | Business Reasons | | Paxful | 2025-11-01 | Business Reasons | | Payeer Exchange | 2025-10-23 | Regulatory Reasons | | 50x.com | 2025-10-15 | Business Reasons | | Coinvertit | 2025-10-01 | Business Reasons | | TradeOgre | 2025-09-18 | Regulatory Reasons | | ISX | 2025-09-14 | Rebranding | | Bitay | 2025-09-06 | Rebranding | | ABCC | 2025-09-01 | Business Reasons | | Felixo | 2025-07-18 | Regulatory Reasons | | Tokenize | 2025-07-17 | Scam | | Bitstock | 2025-07-01 | Scam | | BitHash | 2025-06-01 | Scam | | SIGEN.pro | 2025-06-01 | MIA (Just Disappeared) | | Narkasa | 2025-04-01 | Rebranding | | ACE Exchange | 2025-04-01 | Scam | | KUNA | 2025-03-31 | Business Reasons | | KickEx | 2025-03-31 | Regulatory Reasons | | KUNA Pay | 2025-03-31 | Business Reasons | | Unicly Exchange | 2025-02-15 | MIA (Just Disappeared) | | FlowBTC | 2025-02-01 | Rebranding | | Mercatox | 2025-02-01 | Business Reasons | | StormGain | 2025-01-13 | Rebranding | | Tidex | 2025-01-01 | Scam | | PrimeBit | 2024-12-31 | Business Reasons | | Egera | 2024-12-30 | Business Reasons | | Nominex | 2024-12-18 | Business Reasons | | BCM Exchange | 2024-12-12 | Business Reasons | | Lykke Exchange | 2024-12-06 | Hacked | | Newdex | 2024-12-01 | Business Reasons | | BTC-Alpha | 2024-11-30 | Rebranding | | Cryptology | 2024-11-21 | Rebranding | | Binance DEX | 2024-11-19 | Business Reasons | | Anycoin Direct | 2024-11-18 | Rebranding | | Koinim | 2024-11-11 | Regulatory Reasons | | LocalMonero | 2024-11-07 | Business Reasons | | AgoraDesk | 2024-11-07 | Business Reasons | | TimeX | 2024-11-01 | MIA (Just Disappeared) | | NiceX | 2024-10-22 | Business Reasons | | Graviex | 2024-10-20 | Business Reasons | | Chiliz Exchange | 2024-09-26 | Business Reasons | | IncoreX | 2024-09-18 | MIA (Just Disappeared) | | Coinsbit | 2024-09-01 | Scam | | CITEX | 2024-08-06 | Regulatory Reasons | | Exnomy | 2024-07-08 | Business Reasons | | Counterparty DEX | 2024-07-01 | Business Reasons | | Oasis Exchange | 2024-07-01 | Business Reasons | | Polyx Exchange | 2024-06-01 | MIA (Just Disappeared) | | LuaSwap | 2024-03-31 | Business Reasons | | BitForex | 2024-02-26 | Scam | | TradeStation Crypto | 2024-02-22 | Regulatory Reasons | | SouthXchange | 2024-01-31 | Business Reasons | | OKCoin | 2024-01-31 | Rebranding | | Bex500 | 2024-01-16 | MIA (Just Disappeared) | | BitFex | 2024-01-01 | MIA (Just Disappeared) | | Cryptomate | 2024-01-01 | Regulatory Reasons | | PlasmaSwap | 2024-01-01 | MIA (Just Disappeared) | | BITFLEX | 2024-01-01 | Rebranding | | Cashierest | 2023-12-22 | Business Reasons | | CoinField | 2023-12-20 | Scam | | T1Markets | 2023-12-20 | Scam | | Tokenomy | 2023-12-08 | Business Reasons | | Bittrex | 2023-12-04 | Business Reasons | | Coinbase Pro | 2023-11-20 | Rebranding | | Satang Pro | 2023-10-27 | Rebranding | | Txbit | 2023-09-14 | Regulatory Reasons | | Bitsten | 2023-08-31 | Scam | | Multichain Exchange | 2023-07-14 | Scam | | Bithoven | 2023-06-30 | MIA (Just Disappeared) | | BITUNIVEX | 2023-06-30 | MIA (Just Disappeared) | | Bitpanda Pro | 2023-06-28 | Rebranding | | STEX.com | 2023-06-20 | Hacked | | COSS | 2023-06-16 | MIA (Just Disappeared) | | TokenSets | 2023-06-06 | Business Reasons | | CoinsBank | 2023-06-01 | Scam | | MoonXBT | 2023-06-01 | MIA (Just Disappeared) | | Bitex | 2023-05-15 | Business Reasons | | CoinFLEX | 2023-04-28 | Rebranding | | KKEX | 2023-03-23 | Business Reasons | | CBX | 2023-03-23 | MIA (Just Disappeared) | | Cryptex | 2023-03-23 | Business Reasons | | WhaleEx | 2023-03-23 | Business Reasons | | BitOnBay | 2023-03-23 | Business Reasons | | BitOffer | 2023-03-23 | MIA (Just Disappeared) | | Hanbitco | 2023-03-23 | Business Reasons | | BITEXBOOK | 2023-03-23 | Business Reasons | | FinexBox | 2023-03-23 | Scam | | YunEx | 2023-03-23 | Business Reasons | | Switcheo Exchange | 2023-03-23 | MIA (Just Disappeared) | | RuDEX | 2023-03-23 | Business Reasons | | Unodax | 2023-03-23 | Business Reasons | | BitQuick | 2023-03-23 | MIA (Just Disappeared) | | Coingi | 2023-03-23 | Business Reasons | | InfinityCoin Exchange | 2023-03-23 | Business Reasons | | NevBit | 2023-03-23 | Business Reasons | | Bleutrade | 2023-03-23 | MIA (Just Disappeared) | | RippleFox | 2023-03-23 | MIA (Just Disappeared) | | Cryptofresh | 2023-03-23 | MIA (Just Disappeared) | | EtherDelta | 2023-03-23 | MIA (Just Disappeared) | | Bitvast | 2023-03-23 | Business Reasons | | CROSS Exchange | 2023-03-23 | MIA (Just Disappeared) | | Serenity Exchange | 2023-03-23 | MIA (Just Disappeared) | | Dsdaq | 2023-03-23 | Business Reasons | | Vero Exchange | 2023-03-23 | Scam | | CoinCasso | 2023-03-23 | MIA (Just Disappeared) | | BitWell | 2023-03-23 | MIA (Just Disappeared) | | TomoDEX | 2023-03-23 | Business Reasons | | Btcswe | 2023-03-23 | Regulatory Reasons | | Bitwells | 2023-03-23 | MIA (Just Disappeared) | | AltcoinSwap | 2023-03-23 | MIA (Just Disappeared) | | Tokencan | 2023-03-23 | Business Reasons | | Aryana Exchange | 2023-03-23 | MIA (Just Disappeared) | | Bvnex | 2023-03-23 | Business Reasons | | Swipe Swap | 2023-03-23 | MIA (Just Disappeared) | | Bitni.com | 2023-03-23 | MIA (Just Disappeared) | | VDollar Exchange | 2023-03-23 | MIA (Just Disappeared) | | YellowMoon Exchange | 2023-03-23 | Scam | | eXFi Exchange | 2023-03-23 | MIA (Just Disappeared) | | Koinbazar | 2023-02-24 | Rebranding | | The Rock Trading | 2023-02-21 | Business Reasons | | Zipmex | 2023-02-21 | Scam | | CoinDeal | 2023-02-19 | Business Reasons | | LocalBitcoins | 2023-02-09 | Business Reasons | | CoinTiger | 2023-02-05 | Scam | | Bitladon | 2023-02-01 | Rebranding | | Brokereo | 2023-01-26 | Regulatory Reasons | | Coindirect | 2023-01-24 | Business Reasons | | Bitzlato | 2023-01-18 | Regulatory Reasons | | Bamboo Relay | 2023-01-11 | Business Reasons | | AAX | 2023-01-11 | MIA (Just Disappeared) | | BigoMex | 2023-01-11 | MIA (Just Disappeared) | | Decoin Exchange | 2023-01-11 | MIA (Just Disappeared) | | C-Trade | 2023-01-11 | Business Reasons | | Liquid | 2023-01-07 | Regulatory Reasons | | Titanex | 2023-01-03 | MIA (Just Disappeared) | | Trade8 | 2023-01-01 | MIA (Just Disappeared) | | PrizmBit | 2022-11-02 | MIA (Just Disappeared) | | Cybex DEX | 2022-11-01 | MIA (Just Disappeared) | | Float SV | 2022-11-01 | MIA (Just Disappeared) | | Deex.Exchange | 2022-11-01 | Business Reasons | | Mercado Athena | 2022-11-01 | MIA (Just Disappeared) | | MBAex | 2022-11-01 | MIA (Just Disappeared) | | Morrex | 2022-11-01 | MIA (Just Disappeared) | | BitPrime | 2022-11-01 | Business Reasons | | Bits Blockchain | 2022-11-01 | MIA (Just Disappeared) | | Paritex | 2022-11-01 | Business Reasons | | Globitex | 2022-11-01 | Business Reasons | | BQT | 2022-11-01 | MIA (Just Disappeared) | | MOV Exchange | 2022-11-01 | MIA (Just Disappeared) | | Bithesap | 2022-10-31 | Business Reasons | | VELIC | 2022-10-11 | Business Reasons | | VCC Exchange | 2022-10-01 | MIA (Just Disappeared) | | Hoo Exchange | 2022-08-17 | Scam | | GokuMarket | 2022-08-01 | Business Reasons | | TOKOK | 2022-07-31 | Business Reasons | | Bexplus | 2022-07-18 | Business Reasons | | AEX | 2022-07-17 | Regulatory Reasons | | DeversiFi | 2022-07-14 | Rebranding | | Xena Exchange | 2022-06-30 | Business Reasons | | TronTrade | 2022-06-10 | Business Reasons | | BurgerSwap | 2022-06-01 | Hacked | | Dove Wallet | 2022-05-04 | Rebranding | | BaseFEX | 2022-05-01 | MIA (Just Disappeared) | | Cryptster | 2022-05-01 | Regulatory Reasons | | IDCM | 2022-04-28 | Rebranding | | SaBi | 2022-03-01 | MIA (Just Disappeared) | | LinkCoin | 2022-03-01 | MIA (Just Disappeared) | | Bithumb Singapore | 2022-03-01 | Business Reasons | | Crex24 | 2022-02-09 | Scam | | SatoExchange | 2022-02-01 | Business Reasons | | Simex | 2022-02-01 | MIA (Just Disappeared) | | CoinBene | 2022-02-01 | MIA (Just Disappeared) | | Artis Turba | 2022-01-28 | Business Reasons | | OKEx | 2022-01-18 | Rebranding | | BitClude | 2022-01-13 | Rebranding | | CoinPark | 2022-01-12 | MIA (Just Disappeared) | | BTC Exchange | 2022-01-12 | MIA (Just Disappeared) | | Linkkoin | 2022-01-12 | MIA (Just Disappeared) | | Bitcoin Of America | 2022-01-12 | MIA (Just Disappeared) | | Jubiter | 2022-01-12 | Business Reasons | | AllCoin | 2022-01-12 | MIA (Just Disappeared) | | xFutures | 2022-01-12 | MIA (Just Disappeared) | | eINTRO | 2022-01-12 | MIA (Just Disappeared) | | AOFEX | 2022-01-12 | MIA (Just Disappeared) | | BHEX | 2022-01-11 | MIA (Just Disappeared) | | EtherMium | 2022-01-03 | MIA (Just Disappeared) | | Alterdice | 2022-01-01 | MIA (Just Disappeared) | | Exrates | 2022-01-01 | MIA (Just Disappeared) | | Triv Pro | 2022-01-01 | Rebranding | | JetCrypto | 2022-01-01 | MIA (Just Disappeared) | | Swaplab | 2022-01-01 | MIA (Just Disappeared) | | Anyswap | 2021-12-16 | Rebranding | | Binance JEX | 2021-12-01 | Regulatory Reasons | | BiKi | 2021-11-30 | Regulatory Reasons | | Bingbon | 2021-11-18 | Rebranding | | Coineal | 2021-11-15 | Business Reasons | | Kryptono | 2021-11-11 | MIA (Just Disappeared) | | Cash2PM | 2021-11-11 | MIA (Just Disappeared) | | Burst Asset Exchange | 2021-11-11 | MIA (Just Disappeared) | | Cryptox | 2021-11-11 | MIA (Just Disappeared) | | Tidebit | 2021-11-11 | MIA (Just Disappeared) | | RightBTC | 2021-11-11 | MIA (Just Disappeared) | | CRXzone | 2021-11-10 | Rebranding | | BitBay | 2021-11-08 | Rebranding | | Poloni DEX | 2021-11-01 | Business Reasons | | Bitinfi | 2021-11-01 | MIA (Just Disappeared) | | EXNCE | 2021-11-01 | Business Reasons | | Saturn Network | 2021-11-01 | MIA (Just Disappeared) | | BiONE | 2021-11-01 | MIA (Just Disappeared) | | Daybit | 2021-11-01 | MIA (Just Disappeared) | | BitRabbit | 2021-11-01 | MIA (Just Disappeared) | | RADAR RELAY | 2021-11-01 | Rebranding | | World Markets | 2021-11-01 | Scam | | Loopring Exchange | 2021-11-01 | MIA (Just Disappeared) | | LOEx Global | 2021-11-01 | MIA (Just Disappeared) | | Hydax | 2021-10-01 | MIA (Just Disappeared) | | FinanceX | 2021-10-01 | MIA (Just Disappeared) | | Bitribe | 2021-10-01 | MIA (Just Disappeared) | | Bitcoin.com Exchange | 2021-09-29 | Rebranding | | Bidesk | 2021-09-29 | Regulatory Reasons | | Bitalong | 2021-09-01 | MIA (Just Disappeared) | | CoinHe | 2021-09-01 | Business Reasons | | Bgogo | 2021-08-31 | Rebranding | | Bitsonic | 2021-08-07 | Business Reasons | | Xtheta Global | 2021-08-01 | Hacked | | Swiftex | 2021-07-15 | MIA (Just Disappeared) | | CoinX.pro | 2021-07-15 | MIA (Just Disappeared) | | ACX | 2021-07-15 | MIA (Just Disappeared) | | Bitmaszyna | 2021-07-15 | MIA (Just Disappeared) | | LakeBTC | 2021-07-15 | MIA (Just Disappeared) | | CoinEgg | 2021-07-15 | MIA (Just Disappeared) | | UPEX | 2021-07-15 | Business Reasons | | LongBit | 2021-07-15 | MIA (Just Disappeared) | | Folgory | 2021-07-13 | Scam | | DueDEX | 2021-07-10 | Business Reasons | | ATOMARS | 2021-07-08 | Hacked | | Einax | 2021-06-12 | MIA (Just Disappeared) | | Covesting.io | 2021-06-11 | Rebranding | | Gobaba | 2021-06-10 | Business Reasons | | Hubi | 2021-06-10 | MIA (Just Disappeared) | | MXC | 2021-06-08 | Rebranding | | HitBTC | 2021-05-26 | Scam | | BKEX | 2021-05-17 | Scam | | C2CX | 2021-05-10 | Regulatory Reasons | | Vebitcoin | 2021-04-26 | Regulatory Reasons | | Sistemkoin | 2021-04-26 | Business Reasons | | Thodex | 2021-04-25 | Hacked | | HBTC | 2021-04-25 | Rebranding | | Eterbase | 2021-04-22 | Business Reasons | | Bitit | 2021-04-15 | Regulatory Reasons | | Rfinex | 2021-04-10 | MIA (Just Disappeared) | | Lukki Exchange | 2021-04-10 | Scam | | Piexgo | 2021-04-01 | Business Reasons | | Metal X Exchange | 2021-03-29 | Business Reasons | | BitMax | 2021-03-22 | Rebranding | | Allbit | 2021-03-22 | Business Reasons | | iCE3 | 2021-03-16 | Business Reasons | | 6x | 2021-03-15 | MIA (Just Disappeared) | | Coinhub | 2021-03-15 | MIA (Just Disappeared) | | Trade by Trade | 2021-03-15 | MIA (Just Disappeared) | | UniDAX | 2021-03-11 | MIA (Just Disappeared) | | Coinall | 2021-03-01 | MIA (Just Disappeared) | | Crypterum | 2021-03-01 | MIA (Just Disappeared) | | dex.blue | 2021-02-28 | Rebranding | | KuMEX | 2021-02-25 | Rebranding | | TokensNet | 2021-02-02 | Business Reasons | | HB.top | 2021-02-01 | MIA (Just Disappeared) | | GBX Digital Asset Exchange | 2021-01-13 | Rebranding | | DSX | 2021-01-12 | Business Reasons | | Ternion | 2021-01-01 | Business Reasons | | KKCoin | 2021-01-01 | Regulatory Reasons | | Coinsuper | 2021-01-01 | Business Reasons | | MercuriEx | 2020-12-31 | Business Reasons | | Bankera | 2020-12-28 | Rebranding | | CryptalDash | 2020-12-28 | Rebranding | | Nanu Exchange | 2020-12-27 | MIA (Just Disappeared) | | CoinLim | 2020-12-27 | MIA (Just Disappeared) | | CPDAX | 2020-12-27 | Regulatory Reasons | | Shortex | 2020-11-24 | Business Reasons | | Coinplace | 2020-11-01 | Scam | | XCH4NGE | 2020-11-01 | MIA (Just Disappeared) | | Trustdex | 2020-11-01 | MIA (Just Disappeared) | | BayBit.io | 2020-11-01 | Rebranding | | Baobi | 2020-11-01 | MIA (Just Disappeared) | | GetBTC | 2020-11-01 | MIA (Just Disappeared) | | HaloDEX | 2020-11-01 | MIA (Just Disappeared) | | BitMesh | 2020-10-20 | Business Reasons | | NZBCX | 2020-10-19 | Regulatory Reasons | | Bitnaru | 2020-10-10 | Rebranding | | BOA Exchange | 2020-10-05 | Rebranding | | IQFinex | 2020-10-01 | Scam | | Bitunio | 2020-09-16 | Business Reasons |
Source https://www.cryptowisser.com/exchange-graveyard/ |
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The site is not new but this page is new and there are not many people know it. https://newhedge.io/bitcoin/battlefieldAs its short description is BTC Bitcoin Battlefield
Live Bitcoin buy/sell wall, order book, liquidation, and price pressure visualized as a 3D market battlefield.
It's funny and useful when you need to relax in this market but no longer want to trade in the market. |
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This hack is a first time ever hardware wallet hack at this scale. Large-scale Coldcard compromise (1360.23 BTC stolen so far) Technical details and some reported cases before and after this hardware wallet hack. https://blog.coinkite.com/coldcard-mk3-seed-generation-warning/https://blog.coinkite.com/entropy-technical-backgrounder/Cracking Unsafe Bitcoin Wallets + Coldcard Mk4 Warning (Insecure Dice Based Seeds & Private Keys)https://www.reddit.com/r/Bitcoin/s/NJXFF7hI0ahttps://x.com/Zenul_Abidin/status/2083756420843839872In Bitcoin, there are two main ways of storing your coins, with hot wallets and cold wallets. Cold wallets are best like hardware wallets and Coldcard is a hardware wallet. Wallets beyond hot and cold, are also classified as open-source and close source. Security advice is prioritizing open-source wallets over close-source wallets but it does not make a bad hardware open-source wallet is secure. Wallet seed phrases need to be created in a secure way and the hack on Coldcard wallet is because of their manufacturer broke this security principle, and ignored warnings from community in recent years. The most common reminder is "Not your keys, not your coins" but it's not enough as we all saw with Coldcard hardware wallet hack since days ago. It's still a good time to remind people about this, again but it's worth to do so. Reminder: do not keep your money in online accounts.Bitcoin Q&A: Not your keys, not your coins.Wallet: DOs and DON'Ts.From Coldcard hack, the importance of passphrase (extended custom phrase/ words) is known more and it's time to dive into it for learning before applying it for your Bitcoin wallet creation, backup, and storage. Before diving into it, there is another reminder. Firstly read below. IMPORTANT UPDATE: We just had our first confirmed loss of a Mk3 + 2 Word Passphrase.
Drained at 2pm Aug 2nd Australia Time - Roughly 17hrs ago.
-- @BTCsessions
That post means only a passphrase is not enough to secure your wallet if the wallet seed phrase was created too weakly for example by Coldcard. You can read this test and report from Jameson Lopp to understand further about it. How many Bitcoin seed phrases are only one repeated word?Clearly nobody will use such Bitcoin wallet seed phrases but I want to use it for reminding that with such weak wallets, if you add any passphrase (extended/ custom words), it won't be too much helpful because it won't repair weak wallet seed phrase that was created with not enough dice rolls for strong entropy like 128 bits or 256 bits. What is entropy and how does Trezor generate your wallet?Generating entropy. | | | | | | | | | | | | | | | | | | | | Entropy | | | Checksum (bits) | | | Entropy + checksum (bits) | | | Recovery code words | | | | | | 128 | | | 4 | | | 132 | | | 12 | | | | | | 160 | | | 5 | | | 165 | | | 15 | | | | | | 192 | | | 6 | | | 198 | | | 18 | | | | | | 224 | | | 7 | | | 231 | | | 21 | | | | | | 256 | | | 8 | | | 264 | | | 24 | | |
How many dice rolls or coin flips are enough for entropy? Dice roll to Bitcoin seed - Convert Dice Entropy to BIP-39 Mnemonic | | | | | | | | | | | | | | | | | | | | Mode | | | Bits/ roll | | | 12 words (128 bit) | | | 24 words (256 bit) | | | | | | Base-6 dice (1-6) | | | 2.585 | | | 50 rolls | | | 100 rolls | | | | | | Base-10 dice (0-9) | | | 3.322 | | | 39 rolls | | | 78 rolls | | | | | | Coin flip (0/1) | | | 1 | | | 128 rolls | | | 256 rolls | | |
A wallet seed creation method used by NotATetherHow to use dice and a Seedsigner to make a seed phrase (with pictures).
What is a wallet passphrase?PassphraseWhat does a Bitcoin wallet passphrase do?When you add a passphrase, even with only one word, it will create a new tree of keys, that is unique and different than an initial wallet created by only wallet seed phrase. This means of security improvement but if you lose the optional passphrase, you can not recover your wallet. If you decide to create and use a wallet with wallet seed phrase + an optional passphrase, you must keep both as your wallet backups. Losing one of these two parts will cause completely loss of your wallet and any fund in it. With this importance of passphrase, you must store it somewhere different than where you store your wallet seed phrase. It must be never online storage/ backup while memory can be used with some possible drawbacks similarly to how it is not recommended to remember your wallet seed phrase by memory. How to back up a wallet?What about memorizing your backups? Well, I can only think of one situation in which I'd ever consider that - if I'm fleeing from some calamity without much time to prepare and I'm worried about physical attackers accosting me during the journey or at border crossings. That is to say - I only think memorization is a good strategy for temporary emergency use. As a long term storage strategy it creates single points of failure:
You may forget the seed phrase.
You could be injured and unable to recall it.
You could die and your heirs would be unable to access it.
You could have seed phrase coerced out of you.
Applying same steps in the article above for your wallet backups with / without a passphrase. Create a wallet Make its backup Test its backup Fund a wallet with small deposit Test the backup for recovery Use it when everything confirmed accurately. It's about practice, for more technical details, you can read with https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch05_wallets.adochttps://learnmeabitcoin.com/beginners/security/#passphrasehttps://bitcoinsecurity.org/guide/passphrase/Another advantage of wallet with passphraseYou can create your decoy/ duress wallet to fool hackers On the positive, if someone obtains your recovery code (but not your passphrase), they will see a valid BIP32 tree of keys. If you prepared for that contingency and sent some bitcoins to the nonpassphrase tree, they will steal that money. Although having some of your bitcoins stolen is normally a bad thing, it can also provide you with a warning that your recovery code has been compromised, allowing you to investigate and take corrective measures. The ability to create multiple passphrases for the same recovery code that all look valid is a type of plausible deniability.
On the negative, if you’re coerced to give an attacker a recovery code (with or without a passphrase) and it doesn’t yield the amount of bitcoins they expected, they may continue trying to coerce you until you give them a different passphrase with access to more bitcoins. Designing for plausible deniability means there’s no way to prove to an attacker that you’ve revealed all of your information, so they may continue trying to coerce you even after you’ve given them all of your bitcoins.
An additional negative is the reduced amount of error detection. If you enter a slightly wrong passphrase when restoring from a backup, your wallet can’t warn you about the mistake. If you were expecting a balance, you will know something is wrong when your wallet application shows you a zero balance for the regenerated key tree. However, novice users may think their money was permanently lost and do something foolish, such as give up and throw away their recovery code. Or, if you were actually expecting a zero balance, you might use the wallet application for years after your mistake until the next time you restore with the correct passphrase and see a zero balance. Unless you can figure out what typo you previously made, your funds are gone.
Lopp also writes about it Can duress wallets stop Bitcoin attacks?Which passphrases to use and how to have a strong one? Two articles can help you. Bitcoin / Crypto Wallet Passphrase — How to Generate a Strong Extra PassphraseHow Many Words Should a Passphrase Have? (Entropy Bits Explained)First let's check the entropy table The table is for passphrase generated from 2048-word list of BIP-39. | | | | | | | | | | | | | | | | | | | | Words | | | Bits of entropy | | | Possible combinations | | | Threat resistance | | | | | | 3 | | | 33 | | | 8.6 billion | | | Hours (modern GPU) | | | | | | 4 | | | 44 | | | 17.6 trillion | | | Months | | | | | | 5 | | | 55 | | | 36 quadrillion | | | Decades | | | | | | 6 | | | 66 | | | 73 quintillion | | | Millennia | | | | | | 7 | | | 77 | | | 149 sextillion | | | Effectivelly forever (today) | | | | | | 8 | | | 88 | | | 303 septillion | | | Effectively forever | | | | | | 9 | | | 99 | | | 617 octillion | | | Effectively forever | | | | | | 10 | | | 110 | | | 1.3 nonillion | | | Effectively forever | | |
There are more details and recommendations for account passphrases here, but in this topic, the main discussion is about wallet passphrase, so let's move on. How strong should the passphrase be? | | | | | | | | | | | | | | | | | | | | Use case | | | Recommended length | | | Bits of entropy | | | | | | Small holdins (<$1k) | | | 5-6 words | | | 55-66 | | | | | | Medium holdings ($1k - $100k) | | | 6-7 words | | | 66-77 | | | | | | Large holdings ($100k+) | | | 7-8 words | | | 77-88 | | | | | | Whale / institutional | | | 8-10 words | | | 88-110 | | |
Now, let's move to a hard part of backing up your wallet passphrase. A wallet passphrase is as important as your wallet seed phrase, so backing up these parts of your wallet is similar. When you need to recover your wallet, you will need both parts correctly. You can read this article How to back up a seed phrase? | | | | | | | | | | | | | | | | | | | | Backup method | | | Pros | | | Cons | | | Recommended for | | | | | | Memorize only | | | No physical artifact to steal | | | Risk of forgetting | | | Small holdings | | | | | | Steel plate | | | Survives fire and water | | | Visible if found | | | Medium - large holdings | | | | | | Paper in safe | | | Cheap, hidden | | | Vulnerable to fire/ flood | | | Backup of backup | | | | | | Split (Shamir/ SLIP-39) | | | Distributed risk | | | Setup complexity | | | Whales, institutions | | |
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The proliferation of online gambling in recent years has opened a new era for the gambling industry. According to statistics, there are about 800 companies in the world, with servers in 70 different countries providing more than 4,000 virtual slot machines, 600 virtual casino points, 300 bingo sites, 260 sports betting sites and 240 online poker points. With gambling increasingly legalized in many countries, this can be considered a modern entertainment game.
This is the day the game industry attracts many workers (directly or indirectly) and generates a large amount of revenue. With the legalization of some online gambling, the number of players has also increased significantly. And this is considered a quite popular recreational game in some countries.
This is the day the gaming industry attracts many workers (directly or indirectly) and creates a large source of revenue. With the legalization of some online gambling activities, the number of players has also increased significantly. And this is considered a quite popular entertainment game in some countries.
Besides the positive factors, this modern form of entertainment is showing a higher addictive potential than traditional gambling. Many witnesses of online gambling addiction said they had completely lost control of their mind and were driven by an irrepressible desire. It is easy to access the game at any time and the gap between real money and virtual money on the computer is quite large. Players are easily fooled by the numbers on the screen. They do not have the feeling of winning or losing money compared to when holding real money, so players feel like this is just a game.
Besides, online gambling games do not require one person to observe the other, so they become very simple. Players seem to be absorbed in the virtual world and forget about the people around them, the games continue one after another, so they are more likely to become addicted to games on the screen. What is online gambling in your personal opinion? Are your feelings different from when you play traditional gambling? Does it affect your gambling habits when you play online? Please share your experiences here.
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Pizzas for bitcoin?I'll pay 10,000 bitcoins for a couple of pizzas.. like maybe 2 large ones so I have some left over for the next day. I like having left over pizza to nibble on later. You can make the pizza yourself and bring it to my house or order it for me from a delivery place, but what I'm aiming for is getting food delivered in exchange for bitcoins where I don't have to order or prepare it myself, kind of like ordering a 'breakfast platter' at a hotel or something, they just bring you something to eat and you're happy!
I like things like onions, peppers, sausage, mushrooms, tomatoes, pepperoni, etc.. just standard stuff no weird fish topping or anything like that. I also like regular cheese pizzas which may be cheaper to prepare or otherwise acquire.
If you're interested please let me know and we can work out a deal.
Thanks,
Laszlo
He did a first or only trade with jercos on 22 May 2010. Archived pictures: https://web.archive.org/web/20121202201145/http://heliacal.net/~solar/bitcoin/pizza/Transaction: https://blockchair.com/bitcoin/transaction/a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48dlazslo's post about that address. He let the offer opened This is an open offer by the way.. I will trade 10,000 BTC for 2 of these pizzas any time as long as I have the funds (I usually have plenty). If anyone is interested please let me know. The exchange is favorable for anyone who does it because the 2 pizzas are only about 25 dollars total, maybe 30 if you give the guy a nice tip. If you get me the upgraded extra large ones or something, I can throw in some more bitcoins, just let me know and we'll work something out.
My 1 year old daughter really enjoys pizza too! She just smears it all over her face if you give her a whole slice, but she does eventually manage to get most of it in her mouth (minus a few loose toppings of course).
He ended his offer on 4 August 2010 Well I didn't expect this to be so popular but I can't really afford to keep doing it since I can't generate thousands of coins a day anymore  Thanks to everyone who bought me pizza already but I'm kind of holding off on doing any more of these for now. Looks like he traded more than 10,000 BTC for more than two pizzas. I don't find any post of laszlo on bitcoin talk that how many pizzas he bought with how many bitcoins before the offer closure. Jameson Lopp tweeted. That offer ended up with 8 pizzas for 40,000 BTC. On this day 13 years ago, Laszlo Hanyecz exchanged 10,000 BTC in return for 2 Papa John's pizzas. But the story didn't end there!
Turns out that Laszlo REALLY LOVES PIZZA. He kept his offer open for some time and eventually ended up purchasing 8 pizzas for a total of 40,000 BTC.
12 years ago today, Laszlo Hanyecz had tens of thousands of bitcoin he had mined just burning a hole in his pocket. He also had a hankering for pizza. The rest... was history.
Fun fact: he kept his pizza offer open for a while and in total purchased 8 pizzas for 40,000 BTC.
Many Bitcoin users are aware that Laszlo Hanyecz bought 2 Papa John's pizzas for 10,000 BTC in 2010. What's less known is that he kept his pizza offer open and in total purchased 8 pizzas for 40,000 BTC.
Anyone can confirm this information please. Anyone from 100 frequent members in 2010 can make confirmations, please. 3-4 years ago there were less than 100 people frequenting this forum, and I was pretty happy to trade 10,000 coins for pizza.
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Ledger Recover Service will provide you a chance to recover your wallet if you lose your wallet seed but you can verify your identity with ID card. Wallet seed will be split to 3 shards that are encrypted. How this works:
Your private key serves as the starting point for creating a backup of your Secret Recovery Phrase. Here’s how:
STEP 1: When setting up your Ledger Recover login, you’ll first need to verify your identity using your ID card.
STEP 2: You’ll be asked to connect your Ledger Nano X and give approval to the creation of the backup to your Secret Recovery Phrase. Once approved, your Ledger Nano X will duplicate, encrypt and fragment your private key into three parts within the Secure Element chip. These fragments become the backup of your Secret Recovery Phrase.
STEP 3: These encrypted fragments are securely sent to three independent providers – Ledger, Coincover, and EscrowTech that will store them in Hardware Security Modules (HSMs). Each encrypted fragment is useless on its own. When you request access to your wallet, two of the three encrypted fragments will be sent back to your Ledger device, reassembling them to build your private key.
STEP 4: The backup for your Secret Recovery Phrase is linked to your verified identity from Step 1 so only you have access to it.
But we buy a hardware wallet to control our bitcoin keys. Now we have to choose to share it with three companies just to have another option to recover our wallet later. It breaks reason why we need a hardware wallet. Two videos from Andreas Antonopoulos and Jameson Lopp. The second video is about Ledger Recovery Service. Bitcoin Q&A: Why is Seed Splitting a Bad Idea?Ledger Recover: What The Hell is Happening? With aantonop and lopp.You can continue to trust Ledger and upgrade the firmware, it's your choice. I have my mind that I will split my coins to different hardware wallets, open source like in the list. If I continue to use Ledger, I won't store all my coins in only Ledger. [LIST] Open Source Hardware WalletsCoinmarketcap should update this article with a warning notification about Ledger firmware. The 12 Best Bitcoin Wallets in 2022
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Electrum wallet software developers just made very great upgrade to Turn off (Disable) RBF option in their wallet. Now, with newest Electrum wallet version, RBF (Replace-by-Fee) is Enabled by default option in the wallet. You are no longer to turn it on or off like with older versions. With this change, people will not have to use Child-Pay-For-Parents with more complexity and more expensive transaction fee. They won't have to see their transactions stuck in mempools too long while they can not do anything. Previous versions  Current version 4.4.2  Some more information about this upgrade in Electrum wallet.    Mempools look better and now you can have your transaction at tip of mempool if you use 60 sat/vbyte rate for your transaction.  |
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Your Bitcoin transaction fees will depend on two main factors: Transaction size Fee rate You can control them both. Controlling transaction size by choosing appropriate address type like Segwit (Bech32) starts with bc1q as well as consolidate your small inputs to reduce transaction size when you need to move your coins. Choosing a feasible fee rate to use for your transaction (after consolidate your small inputs when mempools give you cheap fee rate for consolidation). A chart for mempool history from which you can see it barely has congestion or periods in which people have to accept Deadly Red Fee Rate Bands. Only three times and I made screenshots for you.  December 2017  April 2021  May 2023  Only about 2 weeks ago, mempools were cleared but now things are worse and worse day by day. [May 2023] Fees not low! Wait for opportunity to Consolidate your small inputs. You can wait for cheaper fee, if you join the fee race, you will help miners richer easily. Currently they have very joyful time with massive transaction fee. Fee in block reward is very high at the moment and it is up to 42%, a second highest value in history. Bitcoin fee in reward   |
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Reminder: do not keep your money in online accounts was written in November 2022 but maybe people did not learn this reminder. These days, Ordinals, BRC-20 tokens, Unisat.io are spamming Bitcoin mempools and triggering the fee rate race that causes very expensive transaction fee and long waiting time. Along these crazy days, Binance postponed withdrawal of Bitcoin in Bitcoin network a few times. If you store your bitcoins on Binance, you will not be able to withdraw it.  It is funny fact as in normal days, exchanges charge very expensive withdrawal fee on users and now they reject to support users, waive the withdrawal fee for their users but simply benefit themselves by putting withdrawal on hold. Again, do you want to have control of your coins? Use self custody wallet. With self custody wallet, you can control your coins, can broadcast your transaction anytime and can choose fee rate to have waiting time you are ready to take. Do mempools checking with https://jochen-hoenicke.de/queue/#BTC%20(default%20mempool),24h,weighthttps://mempool.space/graphs/mempoolYou can broadcast your transaction with any fee rate you want. But you must know that if you use too low fee rate, your transaction will probably be dropped of mempools after a while. Usually mempools make drop on waiting transaction (with very low fee rate) after 2016 blocks or 14 days approximately. Like on Mempool.space or jochen-hoenicke.de, you will see different charts. With full waiting transactions (bigger size) and with possible remaining waiting transaction after dropping of low fee rate transactions. See screenshots.    From 250 vMB (second chart, BTC) to about 35 vMB (third chart, BTC default mempool), difference is around 210 vMB. Network difficulty will be retarget after 2016 blocks (14 days) and the estimator uses it for estimation of possible dropped transactions. When you check fee rate, use the third chart is better. If you see fee rate is too high, you can wait for a few days, two weeks to broadcast your transaction with cheaper fee rate. You can make your transaction like 5 - 10 vMB from tip of mempool and wait for your luckiness. Use Segwit address to save your transaction fee. ExchangesBinanceThey charge same withdrawal fee for Legacy and Segwit address. They don't want to force users to use Segwit address. Binance is the same and they even charged more expensive withdrawal fee on Segwit address. Archive of BTC withdrawal fee on Binance in April. It is the same hours ago today.  Fortunately they changed it recently and now withdrawal fee with Segwit is cheaper than with Legacy.  Kraken https://support.kraken.com/hc/en-us/articles/360000767986-Cryptocurrency-withdrawal-fees-and-minimums Kucoin https://www.kucoin.com/vip/level Bitstamp https://www.bitstamp.net/fee-schedule/
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Always backup a code you use to activate your 2FA.
You need it to recover your 2FA later or to import it on other devices.
Always backup in cryptocurrency. If you already used or want to use Google Aunthenticator, let's read 2FA - Important Precautions with Google Authenticator and consider to use alternatives. Aegis Authenticator _____ Android, F-droid        Aegis is an alternative to proprietary two factor authentication apps like Google Authenticator and Authy. Its most important features, are security and backups. It is a free, secure and open source 2FA app for Android. It aims to provide a secure authenticator for your online services, while also including some features missing in existing authenticator apps, like proper encryption and backups. Aegis supports HOTP and TOTP, making it compatible with thousands of services. For a list of frequently asked questions, please check out the FAQ. The security design of the app and the vault format is described in detail in this document. Features  An easy-to-use, open-source two-factor authentication app designed specifically for iOS.
Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.
Tofu works with all services that provide two-factor authentication using the HOTP and TOTP algorithms. It does not require a network or cellular connection and can be used in airplane mode.
Raivo OTP _____ iOS, Mac  A native, lightweight, non-commercial and secure multi-factor authenticator that synchronises your one-time passwords (OTP) across all of your Apple devices.
Open Raivo OTP in one tap, sign in with FaceID and copy your one-time password to your Mac in one tap with the Raivo MacOS companion app. Using a multi-factor authenticator has never been easier!
Ente Authenticator _____ Android, FiOS ente's Authenticator app helps you generate and store 2 step verification (2FA) tokens on your mobile devices. Features- Secure Backups
- Multi Device Synchronization
- Offline Mode
- Import and Export Tokens
- Scanning a QR code
Read more about its features.   andOTP is currently unmaintained, please check GitHub for additional details.
andOTP implements Time-based One-time Passwords (TOTP) like specified in RFC 6238 (HOTP support is currently in beta testing). Simply scan the QR code and login with the generated 6-digit code.
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I love Flappy Bird which was removed from stores on February 10, 2014. After 9 years it returns on Bitcointalk today. Flappy Bird short history as it has less than one year old. It was launched in May 2013 and was removed completely on February 2014. That game is funny and addictive so I appreciate theymos to bring it back. Will the game stay forever on the forum? Inside the Brief Life and Untimely Death of Flappy Bird   |
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saruc woke up from a long period of inactivity and opened a Hiring discord mods! with good salary $150/week. Be careful. It's scam. Hi everyone!
I just want to give you an update, possibly this discord hiring is a scam one-two days before my discord account was hacked. I was in touch and in contact with the @OP, but after that, my account discord got hacked.
During the hack, @OP deleted the all-conversation and kicked me out of the discord group he was for the hiring. My last activity for connecting any link is with him, probably the bot verified mee6 group was fake.
@OP looking someone who are working in discord mod. My suggestion, don't apply or click any link from @OP
Be careful with newbie accounts want to hire you. Be more careful with woke-up newbie want to hire you.
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This song: https://www.youtube.com/watch?v=zEQ2nPSL5-0If after listening to the song and love it, you can explore
a description about the song, its history and its lyricsI don't know how do you feel but I do love it and listen to it every day. Enjoy this famous song by Nashville singer-songwriter and host of the Bitcoins & Gravy podcast, John Barrett. This song is played in every episode of the show. If you like it, please feel free to share it far and wide, and tune in to the Bitcoins & Gravy show for interesting information and interviews related to all things crypto...
Lyrics
Ode To Satoshi
Well Satoshi Nakamoto that's a name I love to say
And we don't know much about him, but he came to save the day
When he wrote about the way things are
and the way things ought to be
He gave us all a protocol this world had never seen
Oh Bitcoin as you're going into the old Blockchain
Oh Bitcoin I know you're going to reign, gonna reign
Till everybody knows, everybody knows,
till everybody knows your name
Down the road it will be told about the Death of Old MtGox
About traitors trading alter coins and minors mining blocks
But them good old boys back in Illinois
and on down through Tennessee
See they don't care to be a millionaire,
they're just wanting to be free
Oh Bitcoin as you're going into the old Blockchain
Oh Bitcoin I know you're going to reign, gonna reign
Till everybody knows, everybody knows,
till everybody knows your name
From the ghettos of Calcutta to the halls of Parliament
While the bankers count Our money out for every government
Old Bitcoin flies on through the skies of Virtuality
A promise to deliver us from age old Tyranny
Oh Bitcoin as you're going into the old Blockchain
Oh Bitcoin I know you're going to reign, gonna reign
Till everybody knows, everybody knows,
till everybody knows your name
Till everybody knows, everybody knows,
till everybody knows your
"Give me some Exposure"
Everybody knows your name
Singing:
Oh Lord pass me some more
Oh Lord before I have to go
Oh Lord pass me some more
Oh Lord . . . before I have to . . .
go . . .
"Thanks East Nashville! Y'all be good to each other out there ya hear!"
Sheet music in "G"Sheet music in "A" |
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