Generate secure BIP39 seed phrases or validate existing ones for cryptocurrency wallet creation.
A seed phrase (also known as a mnemonic phrase or recovery phrase) is a list of words that stores all the information needed to recover a cryptocurrency wallet. It's typically 12, 15, 18, 21, or 24 words long.
BIP39 (Bitcoin Improvement Proposal 39) is the industry standard for generating mnemonic phrases. It defines how wallets generate seed phrases from entropy and how to recover keys from them.
More words provide higher security. 12-word phrases provide 128 bits of security, while 24-word phrases provide 256 bits of security.