I’ve been working through the byte-level details of bitcoin transactions and I need some help on DER-encoding.Continue readingQuestion on DER-encoding of signature pair (r, s)
Author: Ali Sherief
Editor-in-chief and serial coder & blogger.
I’m trying to understand how does “recid” (Recovery ID) variable work in libspec256k1 library (with C language).Continue readingHow does “recid” variable work in libspec256k1 library?
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Why does vout sometimes not have address?
I am trying to parse all transactions. I found that some transactions do not have addresses in their vout.Continue readingWhy does vout sometimes not have address?
I’ve always had this small doubt that those seed words I wrote down and encrypted might have a typo.Continue readingmnemocheck, checks that your seed phrase matches an address
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scripthash to address
It seems that electrumx stores scripthash, but I want to get all the wallet addresses.Continue readingscripthash to address
I want to use RPC to get all historical transactions of an address. I have synchronized the full node on my computer.Continue readingI want to use RPC to get all historical transactions of an address
I do not want to have bitcoin-qt started every time I boot my computer and other computers on my local LAN.Continue readingCan I use a bitcoind data from LAN from local bitcoin-qt?
I am continuing to explore the early bitcoin blockchain using blk00000.dat covering 2009-01-03 to 2011-04-24 time period.Continue readinghistorical blk00000 coinbase analysis: is ~1.7 M bitcoins likely lost?
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Taproot inside coinbase transaction?
Now we are mining using “winner takes all” scheme. Every miner have to mine in pool or create the whole block alone with all transactions.Continue readingTaproot inside coinbase transaction?
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How to cancel Bitcoin transaction?
When you send Bitcoin from your wallet to some other address it needs some time for transaction confirmation in the blockchain.Continue readingHow to cancel Bitcoin transaction?