Is there any mechanism for retiring a key posted here ages back and sign with a new (perhaps non-legacy) address?
Just sign a new message "My new staked address will be XXXX" using your legacy address and post it here. Also a message with your new key.
OLD:Bitcoin address: 1MyfLJS8ZKw5zS6cjdiEVM69i8ZwCaDVM6
Message: My new staked address will be 1337mfDnFni4hEo2PZT8cu78WNfTyK4p89 .
Signature: G3W1ghn0zoWB9xhzj4JhBgbGGV6yxyNfxfC6fK5MbU9hKNAmA2XH4uHT7/r279gdrnEAJe7LpB5omUUdin32+zA=
NEW:Bitcoin address: 1337mfDnFni4hEo2PZT8cu78WNfTyK4p89
Message: I am shinohai and today is 2026.11.09, I am staking my address on bitcointalk.org
Signature: HM0v6NuE+9W+51IvKTAaTbn/hkMGCgDwDsPzHyTjTej8ebmuo3r4Q4XMn25v0E2Kmus17zf1Wn2McsLg3ZpHEtE=