Q&R Connaissances Trading Crypto, Portefeuille & Blockchain
Q&R courantes couvrant le trading de cryptomonnaies, les portefeuilles et les connaissances blockchain, incluant des explications et un contenu de réponse associés.
- 01
What is DeFi decentralized finance?
Decentralized Finance (DeFi) is the movement that leverages decentralized networks to transform old financial products into trustless and transparent protocols that run without int...
DeFi - 02
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 pos...
Sécurité et risques - 03
Can a blockchain's transactions be reversed?
No, as far as we know, Ethereum transactions cannot be reversed. The DAO hack exploited a badly coded smart contract. The smart contract runs on top of Ethereum, so there are tw...
Sécurité et risques - 04
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 privat...
Sécurité et risques - 05
Does a clearnet connection to my lightning node not require a TLS certificate?
Lightning network connections do not use TLS or certificates at all, as far as I know (note that this may be different for other types of connections, like RPC). To explain why, le...
Sécurité et risques