script – How to build a transaction that is valid for ANY input of an address but with a specific output
I am trying to achieve a more complex task, as an use-case where a company holds a very popular bitcoin address that has many hundreds of inputs (UTXOs) in related to stocks it issued. Now, the intention is to build a transaction that all the stock owners can broadcast if and when they decide to. […]
Trouble with HWI
I have downloaded and installed hardware wallet interface, here is the output that I’m getting from ./hwi.py enumerate: Traceback (most recent call last): File "/home/eoin/HWI/./hwi.py", line 7, in <module> main() File "/home/eoin/HWI/hwilib/_cli.py", line 304, in main result = process_commands(sys.argv[1:]) File "/home/eoin/HWI/hwilib/_cli.py", line 270, in process_commands return args.func(args) File "/home/eoin/HWI/hwilib/_cli.py", line 63, in enumerate_handler return enumerate(password=args.password, […]
mastering bitcoin – Who is the creator of the secp256k1 standard?
There are different accounts as to who created the secp256k1 standard, for example: Mastering Bitcoin, p.61: Bitcoin uses a specific elliptic curve and set of mathematical constants, as defined in a standard called secp256k1, established by the National Institute of Standards and Technology (NIST) theymos in this thread on r/crypto: secp256k1 isn’t a NIST curve. […]
multi signature – Review of multisig funds protection strategy
I want to protect my bitcoin and my threat model is that one of the two paper copies of the seed is accessed to recover the wallet and steal the funds. To mitigate this risk I am contemplating the options of a 2-out-3 multi-sig wallet. My first strategy is as follows: I have therefore 4 […]
MATIC Price Slumps 10% Amidst Market Downturn
MATIC, the native token of the Polygon network, has witnessed a significant decline in its value. It has fallen by more than 10% in the past week and 8% in less than 24 hours as the general cryptocurrency market continues to grapple with a cloud of negative sentiment. Fortunately, the latest on-chain analysis has revealed […]
bitcoin core – Mismatch between utxo increase and total utxos
I’m running bitcoin core and using the commands getblockstats and gettxoutsetinfo. I ran gettxoutsetinfo at block 770992 and it showed a total of 83,420,287 unspent transaction outputs. I then waited for block 770993 to appear and ran getblockstats for that block. In getblockstats it shows a utxo_increase field, which is the difference between the outs […]
bitcoin core – Build phase fails with undefined reference to `evhttp_uridecode` – Bitcoin Stack Exchange
I try to build Bitcoin Core on my Ubuntu 23.10 machine using the “Build Unix” documentation page but it fails with undefined reference to evhttp_uridecode. Here are the details: I started by cloning the repo locally and using the v26.0 tag: git clone [email protected]:bitcoin/bitcoin.git cd bitcoin git checkout v26.0 Then installed the necessary packages: sudo […]