Community Digest

Top new questions this week:

Can failed Transactions figure out which Channel is exhausted?

According to information in this LND PR the sender of an TemporaryChannelFailure can be determined: In many cases it is impossible for the sender to determine which of the two nodes in a pair is ...

lightning-network privacy balance  
asked by wtho 3 votes
answered by Rene Pickhardt 1 vote

Will cryptocurrencies that have a finite supply (like 21m btc) cause deflation?

I figured out that cryptocurrencies can cause a deflationary spiral, since the cap is the same (eg. 21m BTC) but the economy is growing. That would only happen if all coins are mined. But deflation ...

economics deflation  
asked by Andrew 3 votes
answered by Ugam Kamat 5 votes

Can a miner just introduce a block full of valid predetermined transactions in the blockchain and get rewarded?

My question is - let's say a miner has control over a certain number of bitcoin addresses. He creates a block containing small transactions to and fro from these accounts ahead of time in advance and ...

blockchain nonce block-validity  
asked by Vaibhav Chopra 2 votes
answered by Murch 6 votes

Why was the bip32 fingerprint used for bip174 psbt?

The fingerprint is widely used across the bip174 psbt specification. This is done to speedup parsing for a signer such that he can observe whether the master fingerprint for the public key for ...

bip-32-hd-wallets bip174-psbt  
asked by TheCharlatan 2 votes
answered by Andrew Chow 3 votes

c-lightning node backup-restore

How do I restore a c-lightning node from hsm_scret? I have tried running lightningd having the backed up hsm_secret. It shows no outputs and no channels. How can I retrieve the funds in the node

c-lightning lightning-nodes  
asked by Prashanth C 2 votes
answered by Rene Pickhardt 1 vote

How to subtract two points on an elliptic curve?

Please tell me if there is a formula for A-B, (That is, subtraction of two points / minus). I know how two points are added, A + B this addition is described in detail (Please tell me how you can ...

private-key public-key ecdsa secp256k1 shared  
asked by Izi Tors 1 vote
answered by David Grayson 4 votes

scriptsig-not-pushonly (code 64) during send transaction in regtest

I create a transaction in regtest without send it, I have transaction data signed. I modified a little bit the scriptSig in order to replicate transaction malleability, I add two operations (2 ...

transactions regtest transaction-malleability  
asked by monkeyUser 1 vote
answered by Andrew Chow 0 votes

Greatest hits from previous weeks:

GUIMiner won't start mining on Slush's pool

I started co-mining on Slush's pool successfully for about 48 hours, but from there on I haven't been able to connect to it again. It logs in the console this, no matter if I'm using a valid worker ...

mining-pools mining-software connection  
asked by j4nSolo 6 votes
answered by zoigo 12 votes

How can I convert bitcoins to Indian rupees and vice-versa?

How can I convert bitcoins into Indian rupees (INR) and get them in paper rupee notes?

exchanges banks india  
asked by Vasuki 15 votes
answered by ThePiachu 6 votes

How to fork Bitcoin and build own cryptocurrency

Is there any step-by-step tutorial about how to build own cryptocurrency based on Bitcoin code?

development currencies  
asked by Michal 33 votes
answered by Fire Bird 6 votes

Where do bitcoins come from and what gives them their value?

Where do bitcoins come from? From the WeUseCoins.com video it appears they are just being produced by "miners" and sold to people. So who backs Bitcoin or gives it its value?

economics mining-reward value mining-theory  
asked by eMansipater 64 votes
answered by eMansipater 44 votes

How does merged mining work?

How does the implementation of merged mining affect the global hash rate of alt chains? Does one solution fit all? Does one solution fit some? Does the rate of "solutions that will fit" decrease ...

hashpower merged-mining  
asked by MaxSan 101 votes
answered by David Schwartz 93 votes

Mining pool hashrate effect on a miner's income

Newbie miners have many misconceptions about how the hashrate of the pool they mine in will affect their mining income. If a big miner joins the pool there are some unhappy miners who think that now ...

mining-pools hashpower pool-payout-methods  
asked by Dr.Haribo 13 votes
answered by Meni Rosenfeld 12 votes

Do these new ASIC miners really pay for themselves in 5 days?

The Bitforce 50GH/s miner costs $2,500 today, and according to the following calculation it would mine enough coins in about 5 days to pay for itself. I am sure I am missing something here. Why would ...

mining-profitability mining-hardware difficulty asic  
asked by Simon 31 votes
answered by user3418 25 votes

Can you answer this question?

Why is "cancel canal can" an invalid BI39 (3 word) mnemonic phrase?

Is there an entropy rule that prevents this particular combination? e.g. it's not random enough? Or is this just a bug on this generator tool I'm using: https://iancoleman.io/bip39/#english

mnemonic-seed  
asked by Nicole Zhu 1 vote
answered by chytrik 0 votes
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