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Bitcoin / Bitcoin Discussion / Drivechain - Bitcoin sidechains
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on: September 26, 2020, 08:34:13 PM
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 I don't see many people are talking about Bitcoin sidechains as Layer2 solution. There is one project working on this called Drivechain. I just started to explore and read more about it, and I see there is some potential here, but I would love to hear what you think about this. PEER-TO-PEER BITCOIN SIDECHAINS
Drivechain allows Bitcoin to create, delete, send BTC to, and receive BTC from “Layer-2”s called “sidechains”. Sidechains are Altcoins that lack a native “coin” – instead, pre-existing coins [from a different blockchain] must first be sent over.
Once on a sidechain, coins can change hands an unlimited number of times, and in an unlimited number of new ways. Thus, BTC-owners can opt-in to new features or tradeoffs. Meanwhile, the Bitcoiners who don’t opt-in, never need to care what any sidechain is doing.
Transfers from sidechain back to the mainchain (ie, from Layer 2 back to Layer 1) are not done via verifiable proof, but instead via conjecture-and-refutation. A “bundle” of transfers is asserted, and then slowly “ACKed” over time. After 3 months of ACKing, the bundle succeeds. Thus, the SC:BTC market price cannot deviate significantly from a 1:1 ratio. KEY BENEFITS
Only obtainable via Drivechain:
Three existential threats to BTC are neutralized – altcoin-competition, hard fork campaigns, and extension block campaigns.
BTC development becomes anti-fragile with respect to CoreDev mistakes.
BTC maintains hashrate security in the long run.
BTC can scale to credit-card level txn-processing – without changing the CONOP of Bitcoin Core. These cheap txns have optimal fungibility and supply vital pretext to the BTC ecosystem.
BTC gains new, experimental abilities, especially P2P event derivatives. MAIN BENEFITS
Permissionless Innovation: Anyone can create a new blockchain project, without facing the (near-impossible) task of also bootstrapping a new unit of money.
Eliminates Competition: Bitcoin will always have the best code, because it can copy any code that exists.
Freedom to Choose: Satoshi’s consensus protocol requires everyone to agree on everything, down to the very last byte. Sidechains allow users to choose which benefits they would like to pay for.
OTHER BENEFITS
Anti-Scam: SCs filter out get-rich-quick schemes (the ‘get rich’ part is now impossible). Therefore, good projects can stand out and receive our attention.
Faster Progress: SCs let us test new features. The tests are safe – if these features fail, they won’t take down the main network. However, the tests are also informative – real BTC is on the line. website: https://www.drivechain.info/Github; https://github.com/drivechain-project |
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3
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Local / Hrvatski (Croatian) / Merit Source aplikacija
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on: September 20, 2020, 08:06:55 PM
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Danas sam uradio aplikaciju za Merit source u meti  Slobodno pišite ko imate neke sugestije ili ako se nešto treba dodati ili oduzeti. Siguran sam da ima još mnogo postova, ali mislim da je dovoljno i 10 za početak |
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6
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Bitcoin / Wallet software / Sparrow Bitcoin Wallet
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on: September 09, 2020, 02:59:20 PM
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 On my quest to find some new interesting Bitcoin wallets I recently found out about Sparrow Wallet. Sparrow desktop wallet licensed under the Apache 2 license, and it is available for Windows, Linux and Mac OS. It supports single and multisig wallets, as well as importing and exporting Electrum wallets. Sparrow is also good for anyone who runs their own Bitcoin nodes., and it supports hardware wallets. Current version is 0.9.3 Github: https://github.com/sparrowwallet/sparrowWebsite: https://www.sparrowwallet.com/ |
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7
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Economy / Reputation / Lucius is signature spammer by Lucius
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on: August 26, 2020, 10:28:59 AM
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One girl who ever called Lucius a spammer here is Lucius herself.
She obviously have a lot of stuff to write now, and I am expecting a book from her soon.
Someone like Lucius can not be trusted by me, because she twists the facts and creates misleading clickbait titles.
I wish her all the best in her life, and to grow up soon.
I am sorry if I ever offended her feelings, and I hope she can forgive me.
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8
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Local / Hrvatski (Croatian) / Koliko Bitcoina je dovoljno imati?
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on: August 25, 2020, 02:43:03 PM
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Jedna mala Bitcoin anketa.
Trenutno je Bitcoin oko $11000 ali u budućnosti to može biti mnogo više (ili mnogo manje).
Koliko Bitcoina je po vama dovoljno imati da bi osigurali svoju budućnost?
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9
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Local / Hrvatski (Croatian) / Lažov Lucija
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on: August 25, 2020, 01:39:31 PM
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Pamtite li Luciusa koji je brisao svoje postove vezane za Regulus ban, i kako je naprasno nestao iz lokal foruma. Sad taj isti Lucius optužuje mene kako sam rekao da je on spammer. Aj kako smo nisko pali. Nemam nameru dalje diskutovati sa njim. Mnogo mu je dosadno, pa je otvorio i topic samo za mene i zabranio mi pristup: I avoid this part of the forum as much as possible because I am not a person who enjoys endless discussions about someone’s reputation or similar things. I try to follow the rules of the forum and be as correct as possible towards other users, which I do not always succeed in, but I think that most people perceive me as a positive person on the forum (exceptions, of course, always exist). What particularly bothers me is that someone calls me a signature spammer, because I have never been one and I have zero tolerance for such people. Although I do not pay much attention to such things, I have been in a similar situation many times as today, so I think I should react and point out the somewhat strange behavior of a user who indirectly called me a signature spammer. He of course shares the opinion of some other members of my local community who also used the same terminology when I was concerned. I would ask members to visit this topic : https://bitcointalk.org/index.php?topic=5265233.20 ( https://archive.vn/lehNQ) and to tell me what they think of the member dkbit98 and his opinion that I am a signature spammer or his attitude in general when we speak of some solid facts? Interestingly, the person in question shares an identical opinion with his colleague from the local board : Atleast you filled your signature quote mr.Right
Drago mi je da ti pomaze u tvojoj CM tjednoj kvoti
Translated : "Glad it helps you in your CM weekly quota" I know that there is great envy and contempt for those who are members of the CM campaign, and dkbit98 is applied in same campaign few times (unsuccessful) just like his pal btcltcdigger - but that does not give them the right to call other signatures spammers.Question I want to ask the members of this forum: In your opinion, is Lucius a person who only meets his signature quota, which would mean that he is a signature spammer, or are user comments like dkbit98 completely unfounded and inappropriate? Local rule : dkbit98&btcltcdigger are not allowed to post here - their opinion is already quite familiar to me. |
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11
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Local / Hrvatski (Croatian) / Testiranje novog Bitcointalk foruma
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on: August 20, 2020, 06:09:31 PM
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Ako niste znali, već godinama se priprema novi software za Bitcointalk forum. Interesantno mi je bilo da testiram i vidim kako bi to trebalo izgledati, pa sam otvorio account na Coinbistro forum. Trenutno ima oko pedesetak korisnika i mi možemo biti medju prvima tamo, a zatražio sam da otvore i naš lokal forum: https://coinbistro.com/ |
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13
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Bitcoin / Wallet software / You heard about Lily Bitcoin wallet?
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on: August 09, 2020, 10:55:43 PM
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 Browsing internet I saw one interesting open source non-custodial Bitcoin wallet with multisig vaults: https://github.com/KayBeSee/lily-walletIt is still RC version being developed by KayBeSee https://github.com/KayBeSeeVersion 1 is released with some updates and website: http://lily.kevinmulcrone.com/Features
- Multisignature Vaults: Easily setup 2-of-3 multisig vaults using hardware wallets
- Segwit: All transactions use bech32 segwit addresses
- Multiple Accounts: Easily create new HD wallets on the fly with a few clicks
- Stateless: There is no database. The app is populated from a password encrypted configuration file
- Interoperable: Export your vault to use in other software like Unchained Capital's Caravan or BlueWallet
Hardware Wallet Support
- Coldcard
- Ledger
- Trezor I installed release candidate first version for testing and to see how the wallet works. After installing I selected New wallet and then have an option to choose and create new Bitcoin wallet or use multiple hardware wallets and creating a vault. Interface is nice and bright and I can connect multiple hardware wallets in same time. I am testing Lily wallet as alternative for well known Electrum wallet and as alternative for stupid Ledger Live app. Lilly wallet is nice, but it needs to be tested and code needs to go some audits for bugs. It's always good to have alternative for Electrum, we don't want devs to get lazy don't we  What do you think? |
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14
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Bitcoin / Hardware wallets / Ledger wallet App Isolation Bypass Alert
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on: August 04, 2020, 04:42:19 PM
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Website Monokh released report for new vulnerability found in wallet can lead to theft of user funds. Anyone using Bitcoin forks (Litecoin, BCash, testnet Bitcoin etc.) could e affected with this issue. Ledger was informed about this but it still remain unaddressed! Summary
The ledger device exposes bitcoin (mainnet) public key and signing functionality outside of the "Bitcoin" app. It presents misleading transaction confirmation requests indicating the selected app's addresses and amounts when in fact different transactions are being signed. The issue
It was discovered that for Bitcoin and Bitcoin forks, the device exposes it's functions for any of the assets. In other words, having unlocked the Litecoin app, you will receive a confirmation request for a Bitcoin transfer while the interface presents it as a transfer of Litecoins to a Litecoin address. Accepting the confirmation produces a fully valid signed Bitcoin (mainnet) transaction. Steps to reproduce:
Open the Litecoin app
Retrieve mainnet bitcoin (segwit) addresses using getWalletPublicKey('84'/0'/0'/').publicKey
Query UTXOs and construct a bitcoin transaction to spend outputs
Send createPaymentTransactionNew(...) to prompt device for signing this transaction
Receive Bitcoin Mainnet valid signed transaction
Expectation: Ledger device should throw an error at step 2 and step 4 and prevent execution
Actual: Ledger prompts user for a litecoin transaction and produces a valid signed transaction spending the Bitcoin utxos Impact
The implications are serious. As briefly covered, users expect to be protected by the ledger device when they have not unlocked their Bitcoin app. Yet, while having an altcoin unlocked, external applications can still:
- Read the Bitcoin xpub (thereby knowing all addresses belonging to the wallet)
- Prompt Bitcoin transactions from the device that will be displayed as altcoin transactions What is easy solution for regular users?- Avoid using any altcoin apps in Ledger walet. Website source: https://monokh.com/posts/ledger-app-isolation-bypass |
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16
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Economy / Service Discussion / Checking transaction history before accepting deal?
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on: July 24, 2020, 10:41:57 PM
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Do you think people should check transaction history before accepting any deals on bitcointalk forum and exchanging coins with other people? There are many hacks (last case was Twitter hack, or Plus token scam) and hackers with addresses blacklisted by big exchanges (like Binance, Coinbase etc.) In theory someone can try to sell coins in bitcointalk forum with lower price just to avoid locked coins in centralized exchanges. Member that purchased this coins can have problems in future when he tries to spend or exchange them. Few websites I found for checking BTC addresses: https://www.bitcoinabuse.com/https://scam-alert.io/What would be the best thing to do for regular members and newbies before executing trades here? |
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17
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Local / Hrvatski (Croatian) / Bitcointalk Menadžeri
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on: July 20, 2020, 10:33:31 PM
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Tema je otvorena za diskusiju o menadžerima bitcointalk foruma. Možemo pisati o vašim utiscima, preporukama, top secret informacijama, glasinama, plus i minus itd. Recimo da želite napraviti neku bounty kampanju (ili biti učesnik) koga bi vi izabrali i zašto? Popis Bitcointalk menadžera: |
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18
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Local / Hrvatski (Croatian) / Aktivnost na forumu
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on: July 14, 2020, 12:27:48 PM
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Za one koji ne znaju, aktivnost na forumu se ažurira svakih 1210000 UNIX jedinica, a to je otprilike na svakih 14 dana. Na ovom linku možete pratiti i kada bi trebala biti ažuriranja aktivnosti sve do 2060 godine: https://docs.google.com/spreadsheets/d/12saLhlUoqIdairxzuSPu6EYGrt7FN2lOstO1yDjCEbA/edit#gid=1012758442Naredno ažuriranje bi trebalo biti sutra: 1594780000 7/15/2020 2:26:40- Kako se računa aktivnost na forumu?The activity number is determined in this way:
time = number of two-week periods in which you've posted since your registration
activity = min(time * 14, posts)
- Koja je potrebna aktivnost za sve rangove foruma?| Rank | Potrebna aktivnost | Potreban merit | | Brand new | 0 | 0 | | Newbie | 1 | 0 | | Jr Member | 30 | 1 | | Member | 60 | 10 | | Full Member | 120 | 100 | | Sr. Member | 240 | 250 | | Hero Member | 480 | 500 | | Legendary | Nasumično u rasponu 775-1030 | 1000 |
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