Bip39 mnemonic seed phrase https://franciscougju442.bravesites.com/entries/general/Produce-Bitcoin-Addresses-from-Seed-Every-Little-Thing-You-Required-to-Know Let's suppose It's going to be 10x faster than the GFX card above so roughly 2,4M hashes/s. An average attacker will individual some such specialised units. BIP39 solves this through the use of human-readable seed phrases compos... https://thesocialintro.com/story5639715/bip39-documentation-bip39-generator-secrets-https-cutt-ly-uryc5rw7