TimeBinder

What it does

AI is making document fraud and manipulation easier than ever. TimeBinder creates immutable proof that a file existed at a specific moment by anchoring its hash to the Bitcoin blockchain. Files (any file type/size) are hashed locally in your browser and never uploaded. Choose low-cost pooled TimeBinds or ASAP TimeBinds for totally independently verifiable timestamps on Bitcoin. Each TimeBind generates a Proof of Time Certificate with all verification data needed to prove authenticity.

• 
  TimeProofJan 2026 · ▲5

  Prove it existed. Permanently.

• 
  Claimby2018 · ▲107

  Free legally-valid timestamps for your files, ideas & art.

• BT
  btproof - trusted timestamping on the Bitcoin blockchain2013 · btproof.com · ▲75
• 
  TimeSeal2023 · ▲116

  Restoring digital trust, one blockchain timestamp at a time

• BC
  Bitcoinproof - Create a forgery-proof timestamp for your data2013 · vog.github.io · ▲8
• 
  Proof Of Time Travel2018 · ▲87

  Using blockchain to prove time travel

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