金融商业8 hours ago
SignFile — Sign anything. One flat price.
SignFile — 用统一价格发送、签署和验证具有法律效力的签名
@signfileio · X
Just shipped Signfile ( - SHA-256 fingerprint on every signed PDF - Public verification at /verify (no login) - 3 free contracts / month, no card - No per-document fees Day 1 of building in public.