Blockchain Timestamps
Sign, verify, and timestamp data on the blockchain by sending bitcoin to a brainwallet.
or
select file
loading...
This data already exists on the blockchain.

Send a small amount of bitcoin to the following address. Include a miner fee to ensure confirmation and to support the network. Your data will appear on this website after the transaction has one confirmation.

waiting for transaction...

Please check back after there is one confirmation. Your transaction will appear below.

1: Type in a message or select a document to hash

2: Send a small amount of bitcoin to the generated address

3: Your message gets timestamped on the blockchain

Transaction Details
Bitcoin Address:
1CdGhrmNfamiTreGhUXbMYAKbSDssPYaE8
Text:
5b3ce02d6c3b7fd92c51a0f16220d41b3978ec988fd8c21d7c514e407c359e1c3298c1db2110cd9f507d1d516cfe240074dea4dd06ae2379ad6f78a6816d63cb
Timestamp:
2018-07-23 19:42:02 UTC
back
recent transactions: