Timelock
Decoder
nLockTime
nSequence
nLockTime — 4 hex bytes (little-endian) or decimal
Decode
Presets:
0 (no lock)
Block 1,000,000
Unix 1672531200
Block 3,460
nSequence — 4 hex bytes (little-endian)
Decode
Common:
0xffffffff (final)
0xfffffffe (RBF)
0xfffffffd (RBF+locktime)
0x00000090 (144 blocks ≈ 1 day)
0x00014000 (80 × 512s ≈ 11.4 hrs)