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I've had the same problem in the past... Importing more than 50 private keys at once wouldn't work. I finally just install core, imported the private keys in a loop with the extra "False" argument to avoid a rescan, then i just restarted core with a forced rescan, and i was able to use the unspent outputs of hundreds of addresses within a couple of hours scanning.
As far as i know, it has nothing to do with the nodes you're connected to, and it's not a new problem, so i guess your best bet would be to use a workaround.
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I heard that we have Bitcoin-Qt and Bitcoin Core but what is the difference between them?
there is no real difference... Bitcoin-qt is the gui of bitcoin core, if you pull https://github.com/bitcoin/bitcoin and compile everything, you end up with bitcoind, bitcoin-qt and a couple other binaries. |
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you can always try to scan all your old disks with recuva https://www.piriform.com/recuvaIt seems to work relatively well Make sure you identify the disks that have the biggest chance of holding your old wallets, maybe clone them first, and make sure you don't boot from them or write new data to them untill they're properly scanned for deleted files... |
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Hey mocacinno, thanks for giving c-lightning a shot. The value mismatch is actually important, no one has ever tried to give that many funds to a lightning wallet so far, and indeed you stumbled over a bug when reading back the funds from the DB. It is fixed in a PR and should be merged soon, at which point the true value of the output will show up :-)
As for the disconnection I don't really know. Are you trying to connect to yourself? `connect <myid> <myip> 9735` seems to suggest that.
Hi, It's great to see the dev team active on bitcointalk  I'll try to pull the new code, recompile and put the old ~/.lightning folder back to verify if i see the 50 tbtc value. As for your second question, yes, i started lightningd on the same machine as bitcoind. Bitcoind is running in daemon mode, lightningd runs in a screen session. I then tryd to connect using lightning-cli on the same machine as lightningd and bitcoind were running. I verified using "lsof -i :9735" and found a possible error: COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
lightning 8622 testnet 4u IPv6 2484389 0t0 TCP *:9735 (LISTEN)
For some reason it's IPv6 instead of IPv4, eventough no other service is listening on this port... I tried many other ports, but the debug always shows lightning_gossipd(9238): TRACE: Failed to bind on 2 socket: Address already in use
Afterwards it always seems to listen on the ipv6 socket... EDIT: on a sidenote, the bug is fixed li/lightning-cli listfunds
{ "outputs" :
[
{ "txid" : "redacted", "output" : 0, "value" : 5000000000 },
{ "txid" : "redacted", "output" : 0, "value" : 1900000000 } ] }
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I wouldn't worry about the form factor, but start focusing on your community presense.
I mean, if i see a newbie account posting about a token sale, claiming to be able to produce 7nm chips out of the blue, i get a bit suspicious...
If i were you, i'd drop the token sale, it makes you look fishy... Then design your ASIC, give a couple demo units to high ranking community members so they can test the hell out of them, then open an official company in the EU or the US, where the buyers are protected by the law...
If you do this, i'm pretty sure you can put your hashboards with 7nm chips in an old shoebox, and you'd still be able to sell them... But if you're just here (as a newbie) to get your token sale going, i seriously hope nobody will fall in the potential trap.
Just my 2 satoshi's tough...
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Can I transfer bitcoins to my bank account?
No.... however, you can deposit your BTC's to an exchange and exchange them for FIAT, then withdraw said FIAT to your bank account... Or you can create an account on localbitcoins, fund it with your BTC and sell it for cash/wire/... Or you can visit an ATM to deposit your BTC and get cash... Or you can find an exchanger on this forum. But direct deposit of BTC to your bank account won't work. |
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Disclaimer: I must admit i'm very late at reading up on the lightning network. For a long time, i just tought: dev's are working on it, and sooner or later they'll deliver a usable daemon/wallet. I never bothered digging into the protocol.
Since the fees i payed for my transactions last month totalled over $200 in fiat terms, i wanted to gain some knowledge about LN, so i could start using it as soon as i deem it to be stable.
In order to gain a lot of knowledge fast, i figured it would be best to just use one of my testnet nodes, compile c-lightning and start running a lightning node on the testnet to play with... The problems i ran into might be trivial, but i could not find the answers anywhere... If i really dug into the protocol and the sourcecode of c-lightning, i might find the answers myself, i just don't have the time to spend days on these problems right now.
What happened: i'm running a bitcoin tesnetnet node on debian 16.04.1. The version i'm running is 150100 and it's fully sync'ed i compiled c-lightning ( https://github.com/ElementsProject/lightning) i started lightningd in a screen session => lightningd/lightningd --network=testnet --log-level=debug i created a new address => cli/lightning-cli newaddr i funded this address, not from the node's wallet, but from electrum (i realise this might have been stupid) the funding transaction is/was https://www.blocktrail.com/tBTC/tx/72181b4f63ec65890884eed89153046659c8c77951d146f076b7fe3daf8b292bimmediately, the stdout of lightningd showed following info "lightningd(18315): Owning output 0 5000000000 (P2SH) txid 72181b4f63ec65890884eed89153046659c8c77951d146f076b7fe3daf8b292b" great ... However.... cli/lightning-cli getinfo
{ "id" : "nah, i'm not going to disclose my id", "port" : 9735, "address" :
[
{ "type" : "ipv4", "address" : "nah, i'm not going to disclose my ip", "port" : 9735 } ], "version" : "v0.5.2-2016-11-21-1477-gfdbf2f4", "blockheight" : 1258409 } cli/lightning-cli addfunds 0100000001aa85ac933d75d6f4e6ec401241f7c1ed89b771a7129377916329b70e4e51fc1f000000006b4830450221008ebc5b65ad97ce91408338be25cc4a448b2b3c4a7d4ea4331cfb060e4448c568022026b47d6383ba005dc168463e6d8ec04d8e26f6144610cfb915391330c1b397cd01210394bef21f302409bf762a5725f1831f747e51d2698da25131554a975f55912db8fdffffff0200f2052a0100000017a9146a0224cc128dbddaf60d0019fad95f6c41cb803b87f803ce780d0000001976a9148c9973ba715da98adcacfb40953209b24e207bc488ac00000000
Could not add outputs to wallet hmm... something strange is going on, Could not add outputs to walletcli/lightning-cli listfunds
{ "outputs" :
[
{ "txid" : "72181b4f63ec65890884eed89153046659c8c77951d146f076b7fe3daf8b292b", "output" : 0, "value" : [b]705032704 [/b]} ] }
 output 0 of txid 72181b4f63ec65890884eed89153046659c8c77951d146f076b7fe3daf8b292b has a value of 5000000000, why does my lightningd shows a value of 705032704 I disregarded the value mismatch, and concluded my daemon did have at least some funds to open a channel, so i tryd connecting cli/lightning-cli connect [my id, still not going to disclose this one] [my ip] 9735
the debug on my lightningd immediately showed me following output: lightningd(18315): Connected json input
lightning_gossipd(18323): TRACE: req: type WIRE_GOSSIPCTL_PEER_ADDRHINT len 42
lightning_gossipd(18323): TRACE: req: type WIRE_GOSSIPCTL_REACH_PEER len 35
lightning_gossipd(18323): TRACE: Responder: Act 1
lightning_gossipd(18323): TRACE: Connected out for [my id, still not going to disclose this one]
lightning_gossipd(18323): TRACE: Initiator: Act 1
lightning_gossipd(18323): TRACE: Initiator: Act 2
lightning_gossipd(18323): TRACE: Responder: Act 2
lightning_gossipd(18323): TRACE: Responder: Act 3
lightning_gossipd(18323): TRACE: Initiator: Act 3
lightning_gossipd(18323): UPDATE WIRE_GOSSIP_PEER_CONNECTED
lightning_gossipd(18323): UPDATE WIRE_GOSSIP_PEER_CONNECTED
lightningd(18315):jcon fd 14: Success
lightning_gossipd(18323): UPDATE WIRE_GOSSIP_PEER_CONNECTED
lightning_gossipd(18323): UPDATE WIRE_GOSSIP_PEER_CONNECTED
lightning_gossipd(18323): TRACE: req: type WIRE_GOSSIPCTL_HAND_BACK_PEER len 189
lightningd(18315):jcon fd 14: Closing (Bad file descriptor)
lightning_gossipd(18323): TRACE: hand_back_peer [my id, still not going to disclose this one]: now local again
lightning_gossipd(18323): TRACE: req: type WIRE_GOSSIPCTL_HAND_BACK_PEER len 189
lightning_gossipd(18323): TRACE: hand_back_peer [my id, still not going to disclose this one]: reconnected, dropping handback
lightning_gossipd(18323): TRACE: Forgetting remote peer [my id, still not going to disclose this one]
seems like i'm unable to connect.... It became painfully obvious i wasn't connected: cli/lightning-cli fundchannel [my id, still not going to disclose this one] 500000000
"Peer not connected"
cli/lightning-cli getpeers
{ "peers" :
[ ] }
cli/lightning-cli getchannels
{ "channels" :
[ ] }
Just to re-try, i funded the wallet of my node that lightningd was connected to, created a new address, funded it from my node (which i had to fund first to begin with). I'm skipping some steps, but it boiled down to the following: cli/lightning-cli addfunds 0200000001b0f4b5f77eb4f6c1cf38970ab1a329e4be503d56ed33febfc6cee0766658e117000000006a473044022006ddd04d56fcc4db3f6913bc5e662988e621916e9d304ed4ad4f1d6c06e89d3e0220475dff4d08cfb22c982dd33cb1cb47d1b0eb12670a3d072cbe3ec91f1fc4956401210287cc1d734d607b1126daccca6a502cedbf356c655a99d8620a8e3f23d28ddf4afeffffff0200b33f710000000017a914db4e4f5a29c45babc3a823e27128a24bd495e4ad873f89f505000000001976a914950b4d42b397c992c6ffe205fe8c012f9589092b88acac331300
{ "outputs" : 1, "satoshis" : 1900000000 }
cli/lightning-cli listfunds
{ "outputs" :
[
{ "txid" : "72181b4f63ec65890884eed89153046659c8c77951d146f076b7fe3daf8b292b", "output" : 0, "value" : 705032704 },
{ "txid" : "be4dc02b23190136dc603d521c0c54a51e82cb09780d2c37b6ed7a0cd36e5cc2", "output" : 0, "value" : 1900000000 } ] }
But still, i couldn't connect (same error message), nor could i fund a channel (since i wasn't connected) I finally decided to stop my lightningd,rename ~/.lightning, restart my lightningd, fund it from my node's wallet, but still i'm unable to connect. I must be doing something stupid... I just can't figure out what... Oh, before anyone asks, i did trace the process when i was trying to connect... Following lines might be interesting: 29445 socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 16 29445 fcntl(16, F_GETFL) = 0x2 (flags O_RDWR) 29445 fcntl(16, F_SETFL, O_RDWR|O_NONBLOCK) = 0 29445 fcntl(16, F_GETFD) = 0 29445 fcntl(16, F_SETFD, FD_CLOEXEC) = 0 29445 setsockopt(16, SOL_SOCKET, SO_KEEPALIVE, [1], 4) = 0 29445 epoll_ctl(3, EPOLL_CTL_ADD, 16, {EPOLLOUT, {u32=16, u64=16}}) = 0 29445 epoll_ctl(3, EPOLL_CTL_DEL, 16, 0x7ffe275412e0) = 0 29445 epoll_ctl(3, EPOLL_CTL_ADD, 16, {EPOLLOUT, {u32=16, u64=16}}) = 0 29445 connect(16, {sa_family=AF_INET, sin_port=htons(18332), sin_addr=inet_addr("127.0.0.1")}, 16) = -1 EINPROGRESS (Operation now in progress) 29445 epoll_ctl(3, EPOLL_CTL_DEL, 16, 0x7ffe27541230) = 0 29445 epoll_ctl(3, EPOLL_CTL_ADD, 16, {EPOLLOUT, {u32=16, u64=16}}) = 0 29445 epoll_wait(3, [{EPOLLOUT, {u32=16, u64=16}}], 32, 900000) = 1 29445 getsockopt(16, SOL_SOCKET, SO_ERROR, 29445 getsockopt(16, SOL_SOCKET, SO_ERROR, 29445 writev(16, [{"POST / HTTP/1.1\r\nHost: 127.0.0.1"..., 146}, {"{\"method\":\"estimatesmartfee\",\"pa"..., 65}], 2) = 211 29445 epoll_ctl(3, EPOLL_CTL_DEL, 16, 0x7ffe275412c0) = 0 29445 epoll_ctl(3, EPOLL_CTL_ADD, 16, {EPOLLIN, {u32=16, u64=16}}) = 0 29445 epoll_wait(3, [{EPOLLIN, {u32=16, u64=16}}], 32, 900000) = 1 29445 ioctl(16, FIONREAD, [192]) = 0 29445 readv(16, [{"HTTP/1.1 200 OK\r\nContent-Type: a"..., 192}], 1) = 192 29445 epoll_ctl(3, EPOLL_CTL_DEL, 16, 0x7ffe27541260) = 0 29445 shutdown(16, SHUT_WR) = 0 29445 close(16) = 0 ... 29201 close(16) = -1 EBADF (Bad file descriptor) the debug.log of bitcoind didn't show anything usefull
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If you buy from bitmain directly, it should be safe.
However, there are some things that might explain the price difference:
- if you buy locally, you won't have to pay import duties and import tax
- if you buy locally, you won't have to wait for weeks (or longer)
- if you buy from a local vendor, you *might* have extended warrantee (i don't know if this is the case within the US)
- if you buy from a local vendor, other things *might* be included (like a PSU, network cables, power cables,...)
Do be carefull when you don't buy from bitmain directly: there are a lot of scammers out there!
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Alright this should be the one you want.
01/04/2018 COINBASE.COM/BTC ID: 1455293997 CO: COINBASE.COM/BTC $1,000.00
Sorry, but that's still not a transaction id... A transaction id is 256 bits = 64 characters. The address they were funding would also work, a bitcoin address starts with a 1, a 3 or the characters 'bc' |
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I recently started dabbling in bitcoin and cryptocurrency this month. I decided to go with Coinbase to fund my first bitcoin purchase since they seemed to be reputable with a lot of good buzz from investors, mainstream financial press, etc. I am really starting to regret this decision. Here is what happened. 1) I funded my Coinbase account for the first time with $1,000 ACH transfer from my bank on January 3, 2018. 2) My online bank statement shows $1,000 was debited out of my bank account from Coinbase the next day on January 4. 3) As of January 9, my Coinbase account still showed the transaction as pending under recent transactions on the Coinbase website. 4) As of January 10, my $1,000 transaction has mysteriously disappeared from the list of transactions Coinbase. There is no trace on the Coinbase website that the transaction has even occurred. 5) My USD wallet on Coinbase still shows $0.00. There is no record anywhere on Coinbase of this $1,000 transaction, as if it never happened. But there IS a record of it on my bank statement that proves it was sent to Coinbase. 6) I will be filing a complaint with my bank first thing in the morning when they open as well as FDIC and CFPB. 7) Is Coinbase a scam? You decide. From where I'm sitting it sure looks like it. Do a Google search for "coinbase scam" and you can find hundreds of similar complaints from Coinbase customers.  Coinbase may be turning into the next Mt. Gox former biggest crypto exchange that went bankrupt and took all its customers money with it! I wish I knew about Mt. Gox beforehand I would have never started into this racket! Since you didn't post any addresses or transaction id's, i'm going to make an educated guess: My best guess would be that they created a transaction funding your address, but added insufficient fees. A "default" setup node will drop unconfirmed transactions after 72 hours. I don't know how coinbase's nodes are setup, but if they use the default config, your unconfirmed transaction would have dissapeared after ~3days. If you can get your hands on the transaction id, i can look it up on my node (i keep more unconfirmed tx's for a longer time) and give you the raw tx to rebroadcast. If you can't get your hands on the tx id, the address your were funding might work aswell... please keep in mind, with the amount of information you supplied, i could only make an educated guess... There is no guarantee that this is what really happened. I'm also unfamiliar with the inner workings of coinbase, since i never used them myself... What do you mean by transaction ID? The ID Coinbase assigned to it or my bank? Insufficient funds? That is not possible. I spoke to my bank the other day and they confirmed the thousand dollars was indeed sent to Coinbase's bank. Coinbase did send me an email on Jan 3 to confirm that I started the transaction on the same day I started it, an email which I still have. The email does show the transaction ID Coinbase assigned to it and states the money should be available in 3 to 4 days but it has been over seven days. When I log into my account the transaction isn't listed anywhere on their website. It was there for several days but mysteriously disappeared along with my money. I mean the transaction id coinbase gave you... I can only assume it's a valid bitcoin transaction id, and not a coinbase internal code. I don't recall saying anything about insufficient funds, so i'm unsure why you're bringing this up??? Here's a copy of the automated Coinbase email I got when I started the transaction. They call it a deposit reference. I would appreciate it if you could look it up. btw, my USD wallet in GDAX also shows 0.00 funds. -------------------------------- On Wednesday Jan 3, 2018 you authorized Coinbase to fund your Stored Value Account with $1,000.00 from your linked bank account. We have debited your linked bank account accordingly. Deposit reference: 8XZA5Q8D Within 2-4 business days, these funds should be available in your GDAX balance. Coinbase does not charge a fee for this transaction. Sorry to tell you, but that's an internal id, not a transaction id  . If this is the only info you have, the only one that can help you is coinbase's support dept... Sorry. |
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I recently started dabbling in bitcoin and cryptocurrency this month. I decided to go with Coinbase to fund my first bitcoin purchase since they seemed to be reputable with a lot of good buzz from investors, mainstream financial press, etc. I am really starting to regret this decision. Here is what happened. 1) I funded my Coinbase account for the first time with $1,000 ACH transfer from my bank on January 3, 2018. 2) My online bank statement shows $1,000 was debited out of my bank account from Coinbase the next day on January 4. 3) As of January 9, my Coinbase account still showed the transaction as pending under recent transactions on the Coinbase website. 4) As of January 10, my $1,000 transaction has mysteriously disappeared from the list of transactions Coinbase. There is no trace on the Coinbase website that the transaction has even occurred. 5) My USD wallet on Coinbase still shows $0.00. There is no record anywhere on Coinbase of this $1,000 transaction, as if it never happened. But there IS a record of it on my bank statement that proves it was sent to Coinbase. 6) I will be filing a complaint with my bank first thing in the morning when they open as well as FDIC and CFPB. 7) Is Coinbase a scam? You decide. From where I'm sitting it sure looks like it. Do a Google search for "coinbase scam" and you can find hundreds of similar complaints from Coinbase customers. Coinbase may be turning into the next Mt. Gox former biggest crypto exchange that went bankrupt and took all its customers money with it! I wish I knew about Mt. Gox beforehand I would have never started into this racket! Since you didn't post any addresses or transaction id's, i'm going to make an educated guess: My best guess would be that they created a transaction funding your address, but added insufficient fees. A "default" setup node will drop unconfirmed transactions after 72 hours. I don't know how coinbase's nodes are setup, but if they use the default config, your unconfirmed transaction would have dissapeared after ~3days. If you can get your hands on the transaction id, i can look it up on my node (i keep more unconfirmed tx's for a longer time) and give you the raw tx to rebroadcast. If you can't get your hands on the tx id, the address your were funding might work aswell... please keep in mind, with the amount of information you supplied, i could only make an educated guess... There is no guarantee that this is what really happened. I'm also unfamiliar with the inner workings of coinbase, since i never used them myself... What do you mean by transaction ID? The ID Coinbase assigned to it or my bank? Insufficient funds? That is not possible. I spoke to my bank the other day and they confirmed the thousand dollars was indeed sent to Coinbase's bank. Coinbase did send me an email on Jan 3 to confirm that I started the transaction on the same day I started it, an email which I still have. The email does show the transaction ID Coinbase assigned to it and states the money should be available in 3 to 4 days but it has been over seven days. When I log into my account the transaction isn't listed anywhere on their website. It was there for several days but mysteriously disappeared along with my money. I mean the transaction id coinbase gave you... I can only assume it's a valid bitcoin transaction id, and not a coinbase internal code. I don't recall saying anything about insufficient funds, so i'm unsure why you're bringing this up??? |
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I recently started dabbling in bitcoin and cryptocurrency this month. I decided to go with Coinbase to fund my first bitcoin purchase since they seemed to be reputable with a lot of good buzz from investors, mainstream financial press, etc. I am really starting to regret this decision. Here is what happened. 1) I funded my Coinbase account for the first time with $1,000 ACH transfer from my bank on January 3, 2018. 2) My online bank statement shows $1,000 was debited out of my bank account from Coinbase the next day on January 4. 3) As of January 9, my Coinbase account still showed the transaction as pending under recent transactions on the Coinbase website. 4) As of January 10, my $1,000 transaction has mysteriously disappeared from the list of transactions Coinbase. There is no trace on the Coinbase website that the transaction has even occurred. 5) My USD wallet on Coinbase still shows $0.00. There is no record anywhere on Coinbase of this $1,000 transaction, as if it never happened. But there IS a record of it on my bank statement that proves it was sent to Coinbase. 6) I will be filing a complaint with my bank first thing in the morning when they open as well as FDIC and CFPB. 7) Is Coinbase a scam? You decide. From where I'm sitting it sure looks like it. Do a Google search for "coinbase scam" and you can find hundreds of similar complaints from Coinbase customers. Coinbase may be turning into the next Mt. Gox former biggest crypto exchange that went bankrupt and took all its customers money with it! I wish I knew about Mt. Gox beforehand I would have never started into this racket! Since you didn't post any addresses or transaction id's, i'm going to make an educated guess: My best guess would be that they created a transaction funding your address, but added insufficient fees. A "default" setup node will drop unconfirmed transactions after 72 hours. I don't know how coinbase's nodes are setup, but if they use the default config, your unconfirmed transaction would have dissapeared after ~3days. If you can get your hands on the transaction id, i can look it up on my node (i keep more unconfirmed tx's for a longer time) and give you the raw tx to rebroadcast. If you can't get your hands on the tx id, the address your were funding might work aswell... please keep in mind, with the amount of information you supplied, i could only make an educated guess... There is no guarantee that this is what really happened. I'm also unfamiliar with the inner workings of coinbase, since i never used them myself... |
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Marginally related to your question: i've been to SAP Tech'ed this year, they're actually working on implementing blockchain technology for the insurance domain. The thing is: they're not planning on issuing some crapcoin for insurance purposed, but merely using blockchain technology as a decentralised ledger to pass around hashes of insurance contracts in a decentralised way between insurance companies and customers. Not a big SAP fan, but they did invest in blockchain research  |
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I am new one who uses bitcoin so I am wondering that can I use bitcoin as an internet banking account to pay for online goods?  I wanted to add some extra info, other than the info given by previous posters: 1) don't use bitcoin as an internet banking account, meaning: don't use online wallets... Get yourself a decent desktop wallet on a clean PC, be your own bank 2) altough previous posters are right: there aren't a lot of resellers accepting BTC, and the fees are really high at this point, you can still use BTC for larger purchases: For example, overstock, casekings, dell, fasttech, bitgild,... are all accepting btc. If you use BTC to buy a new laptop, you shouldn't care to much about a relatively large fee... I actually bought a new laptop last month using some of my funds, it's all pretty easy and straightforeward if you buy from a reputable seller and make sure you add a decent fee. |
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Also important to note: the fee isn't calculated on a per-transaction basis, nor is it calculated on a transferred-value basis. The fee is calculated based on the transaction size. The size is calculated based on the number of unspent outputs used and an input for your transaction, and the number of newly generated unspent outputs by your transaction. So basically, if you create a transaction transferring 0.1 BTC, using 1 input and generating 1 output, your fee will be a lot less than when (at the same time) you create a tx transfering 0.1 BTC but using 5 inputs creating 2 outputs. So basically, your initial post doesn't say a lot about the current status of the fees, since it didn't include the transaction size. If you'd have said your wallet proposed a 100 bits fee for a 225 byte transaction last week, and it proposed a 500 bits fee for a 222 byte transaction this week, you would have had a fair point  That being said: IMHO the transaction fees are outrageous lately. |
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I would, however, also look for an insurance company willing to insure the 25% of the funds i keep at home...
Could such a thing even exist? What would stop you from faking a break in, moving coins to another wallet, and making a claim? You make a solid point there... But i guess it would be the same as taking out an insurance when you keep gold, silver, platinum,... at home. Nothing is stopping you from selling a couple of insured gold bars to a crooked PM blacksmith and afterwards claim they were stolen for insurance purposes. Or burning your house down to make a false insurance claim. Being your own bank – the hassle of securing your Cryptos
Let’s say theoretically you have 3 mio dollars in crypto (I don't, but to make this whole thing more pressing).
All your wealth.
Now you can leave it on an exchange, login with your password and 2 factor authentification. See the worth, have all coins nicely together, be able to buy and sell and send.
But everybody says ‘don’t leave it on the exchange’.
Because exchanges get hacked. Or hack themselves. Or get bankrupt (?).
Or something else that is weird.
Let’s say theoretically you have 1 mio dollars in crypto.
How do you secure it?
Concretely?
I guess being your own bank kinda sucks.
I want to find a good security strategy.
Links and tips welcome.
Eg Paper wallets
Nice, but where do you keep the paper?
In a safe? In your house? House burns down?
You remember the seed and check if you remember it every morning?
Ledger / Trezor.. hardware wallet.
Again.. you keep that in a safe?
One multi-coin wallet to rule them all? Where you learn the seed so you can repeat it in your sleep?
One wallet for each coin?
One wallet for about each 20k?
Thanks for comments
IF I had 1 mln in crypto, i'd probably divide my funds over the leading brand hardware wallets (trezor, ledger nano S, keepkey, bitbox), over a couple paper wallets, and keep some "change" on an airgapped pc. I'd collect the seeds and bip38 encrypted private keys (from the paper wallets) on an airgapped pc, and break them up using Shamir's Secret Sharing Scheme https://en.wikipedia.org/wiki/Shamir%27s_Secret_Sharing (for example: http://point-at-infinity.org/ssss/). I'd probably create a 3 out of 4 scheme. Then, i'd hire a safe deposit box at 3 banks, store 1 set of secrets and 1 hardware wallet in each deposit box, and keep 1 set and 1 hardware wallet at home... The total cost would be ~$400 for the 4 hardware wallets, ~$250 for a small offline pc and ~$0 for the paper used to print the paper wallets/secrets. Now IF somebody broke into my home and put a gun agains my head, they'd walk away with 25% of my funds (tops), if the bank got broken into, they'd only have 1 part of the secret, so they cannot recreate the seeds/private keys,... I would, however, also look for an insurance company willing to insure the 25% of the funds i keep at home... lol, very detail bro and now I know all your secret and all your action when you have 1 mil $ in bitcoin  Sure... now you only have to find out which addresses are mine, wait untill i have hundreds of BTC, find out my identity, break into my house, rob 3 banks and brute force my bip38 encryption to get your hands on my BTC... Then make sure you sweep all my addresses before i realise you did this, and afterwards make sure you mix those coins so LE doesn't catch you. Good luck... |
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Hi,
Thank you for your reply.
Could you please help explaing how to do this:
- creating a CPFP
- double spending the inputs of this transaction
In order to know if one of these options will work for you, we need to know if you're the sender or receiver (or both) and which wallet(s) you're using. There are cases in which neither of these options are available (for example if you're using online wallets or exchanges to store your funds)
Ans- I'm both sender and receiver. Sending from blockchain.info to binance.
Thanks,
Ouch... Sorry to say, but if you're sending from an online wallet to an online exchange, you're neither the sender, nor the receiver... I've never used binanace, but i think i'm fairly safe to assume that you're not going to be able to extract any private keys from their wallet, nor that they'll assist you in creating a CPFP. The only technical option you would have had, was to export your private keys from blockchain and import them into a decent desktop wallet. Other options would have been waiting it out while rebroadcasting your transaction and using a transaction accelerator. However, you have to do nothing this time... You were extremely lucky. Eventough the odds of your transaction ending up in a block were low, it still happened... Your transaction has 59 confirmations at the time of writing |
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I was looking at buying a miner with Btc - but I realized I have no guarantees at all about what I will get. You know, with Amazon there's that return guarantee and all, but there's nothing with bitcoin. If you order something, send the Btc, then don't receive the product, you can't ever get the Btc back - how do you know an online sale isn't actually a scam?
Thanks!
noob
You never know... If you're using crypto currencies to pay somebody, there is no way to cancel your transaction, there is no central authority to reimburse you if things go south... That's basically both one of the strongest features and one of the biggest problems for crypto's in online retail shops. For the shop owner, it's a big pro, since he can eliminate the man in the middle, the fees used to be really cheap, transactions are broadcasted allmost instant and they used to be included in the blockchain in a matter of 5-10 minutes, there are no chargebacks, there are no country restrictions,... These pro's could (theoretically) allow a shop owner to add a smaller margin to their products... For the buyer the pro's are not as big: theoretically, the products "could" be cheaper, you can invest in crypto's while using BTC as a payment method, you can avoid some taxes or country regulations,... If you plan on using BTC as a payment method, you need to educate yourself about the shop you're shopping at BEFORE paying. |
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My attempts at sending bitcoins are still unconfirmed even after several days.
well... you haven't given any extra information, nor answered any of the questions i asked in my previous post... With this little amount of information, nobody can help you out. Various things you can try are listed hereThis is a good link, but only if the OP's problem is the fact that his transactions are stuck in the mempool... I have no idear if this is OP's problem, or if it's something completely different |
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Get yourself in a block super fast ! http://www.bitcoin-transaction-accelerator.website/I hope you enjoy this site as much as I do , I use it all the time now. Pay a super cheap fee on your transaction and then use this service , works out cheaper overall to send BTC. My educated guess would be that this is your site? I can't find a single vouch for this accelerator, and when i try to visit your url to find out if it's using the same script as all the other sites (that basically rebroadcasts your transaction and charges a fee to do this, while it's really easy to do this yourself for free), i got following error "ERR_CONNECTION_TIMED_OUT". |
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