Use the public key below to send me encrypted email at qna@bitcoiner.guide, or to verify any signed attestation, software release, or signed post that claims to come from me. Attach your own public key on the first email if you want a private reply.

Fingerprint:

EB3D 738B EC6A 873A C274  5292 CF4F E215 EA66 63AC

Also discoverable on keys.openpgp.org.

Key rotation (May 2026)

The previous key (4A3762B5 01BA3B89 48CA0FD0 39EED3B0 80D10556) has been retired. Backup access was lost in a system migration; no further attestations will be signed with it. The full signed rotation announcement is pinned on X (@btcqna).

Current public key

-----BEGIN PGP PUBLIC KEY BLOCK-----

mDMEagtljRYJKwYBBAHaRw8BAQdAFnvKwpeKN4qoytnSUbAzRnfxkHW1RxTypIDi
5CoO4t20GVFuQSA8cW5hQGJpdGNvaW5lci5ndWlkZT6IrwQTFgoAVxYhBOs9c4vs
aoc6wnRSks9P4hXqZmOsBQJqC2WNGxSAAAAAAAQADm1hbnUyLDIuNSsxLjEyLDAs
MwIbAwULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgAAKCRDPT+IV6mZjrB3vAP9U
IbSaQeUJmlMfpgA7hsbE1uCwGrTGn6xYwdgMtaKZ9AD/Ze2NxAG/F0tYXb6HK5OY
RVpnOlpmQ847WTejb8VoyQA=
=bAUJ
-----END PGP PUBLIC KEY BLOCK-----