Play your partSUPPORTLOGINGET STARTED →
EXPLOREWHY GRAJAGENTSLEARNFEESPIONEER
GETREADYANDJUMP.COM · BUILT IN DETROIT

OpenTimestamps.

The open standard used to anchor ledger records to the Bitcoin blockchain, producing an independently verifiable proof-of-existence timestamp.

What it means

The open standard used to anchor ledger records to the Bitcoin blockchain, producing an independently verifiable proof-of-existence timestamp.

What goes wrong

It proves a hash existed at a time. It proves nothing about whether what was hashed was true — that is what the invariants are for.

You will need next
Where it appears on the protocol →
More in Protocol

Every term here is one the protocol actually uses, defined for somebody who was never taught it — with the part that usually goes wrong. All terms →