727 Finance¿Cómo puedo deserializar la cuenta en Rust? ↗
El problema con el #[max_len(32)] que falta es que la cuenta serializada contiene una cadena rellenada con 0 bytes para hacer 32 bytes, mientras que la estructura de deserialización intenta deserializ...
Base de conocimiento cripto
Mejores prácticas de autorización de Solana/Anchor para un sistema modular de múltiples programas (roles compartidos entre programas, CPI) ↗
El repositorio parece ser privado: Cualquiera de las opciones tiene sus pros y sus contras, por lo que puede crear una implementación híbrida para mitigarla. Estas son algunas de las aplicaciones mult...
Why do these two Ethereum transactions have different gas usages? Can't explain it from the GETH EVM debug traces ↗
One of the reason for the gas cost not being the same would be that one account did not have any usdc before the transaction and the other already had some. It cost more gas to set a 0 value to non ze...
What does it mean that the security of Bitcoin public keys and 256-bit ECDSA is 128 bits? ↗
What does it mean that the security of 256-bit ECDSA, and therefore Bitcoin keys, is 128 bits? I mean, if I have approximately 2^256 possible points on the elliptic curve (thus possible public keys),...
Receiving donation on a bitcoin address and security issues of reusing the same address ↗
For a blog that only receives occasional small amounts you probably shouldn't worry too much about it. However, if you plan to scale up, here are some things to consider: One issue with using the sam...
Is 24 words seed safer than 12 words in terms of bruteforcing the private key ↗
Regardless of whether you have a passphrase or not 12 words is just as secure as 24 words because the resulting public key will still require 2^128 iterations to compute its private key using the most...
Downloading the pruned blockchain file directly from external source ↗
It introduces too much trust into the download source. It's the same thing as just uploading a datadir. You aren't verifying any of the blockchain history; what you download could be a fork of the blo...