BIP39: entropy every chain's key derives from, 32 bytes (24 words) when CFX
creates it or 16 (12 words) imported from Phantom or MetaMask. RAW: one
32-byte private key with no seed, for the curve its address rows name.
LEGACY_MINTFX: no key; a mintfx PDA, moved through the program by its
ledger account id. UTILA: no key; a Utila wallet, which Utila signs for,
named by its vault and Utila's wallet id.
BIP39: entropy every chain's key derives from, 32 bytes (24 words) when CFX creates it or 16 (12 words) imported from Phantom or MetaMask.RAW: one 32-byte private key with no seed, for the curve its address rows name.LEGACY_MINTFX: no key; a mintfx PDA, moved through the program by its ledger account id.UTILA: no key; a Utila wallet, which Utila signs for, named by its vault and Utila's wallet id.