1 minute read
Sighash, short for Signature Hash, is a concept within the Bitcoin protocol that determines which parts of a transaction are signed. It plays a crucial role in ensuring the security and integrity of the Bitcoin network.
2 minutes read
Do you know which Bitcoin constant is this?
26,959,535,291,011,309,493,156,476,344,723,991,336,010,898,738,574,164,086,137,773,096,960
Maybe in its hexadecimal format?
0x00000000FFFF0000000000000000000000000000000000000000000000000000
How can I buy Bitcoin?
Generate a password, and then pay someone to send bitcoins to that password.
A password?! That's it?
Yep, that's it.
1 minute read
Bitcoin Cash double spends
Double spend is when a set of coins is spent in more than one transaction. This can happen for various reasons, but one of the reasons is fraud attempts.
Bitcoin Cash accepts 0-conf payments, which I consider insecure by default. But I would like to have some data to support this, so I went looking.
What a clever idea. The possibilites are endless. Well played Nintendo.