When we talk about self-custody and protecting our bitcoins, we understand that the seed used to generate our private keys must be completely isolated...
Bitcoin and cryptocurrencies in general use cryptography to ensure the ownership of coins, among many other aspects. The security is based on “hard” problems...
Some time ago, we proposed a mechanism to address a long-standing issue in Bitcoin: the vulnerability of zero-confirmation (0-conf) transactions to double-spending attacks. Zero-confirmation...