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

Send a small amount of bitoin to the following address. Include a miner fee to ensure confirmation and to support the network. Only transactions that confirm within 24 hours will appear on this website.

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
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recent transactions:
2403555A0C8F4C9CFC2026FB7319C13A150798C7F1AC446A538C9B09AE50DA80
2016-09-07 08:04:09
codacoin
2016-08-23 21:41:46
8e0972c48c3f1d3e06cefae9a262676f.html
2016-08-01 22:08:07
77B3B5DBC3A8C9A2FDFFA21F147C819B73C774896BEDEF07474E2879842AD49A
2016-07-27 00:16:39
This is the first attempt to add my data in to blockchain
2016-07-26 14:23:54
OGbhY
2016-07-23 20:36:32
cocacola
2016-06-24 06:09:41
25/May/2016 Japan congress passed the law recognizing Bitcoin as currency. tokyosilver
2016-05-25 04:29:53
computer
2016-05-15 10:22:15
do the day or be done
2016-02-02 19:34:50
2007
2016-01-13 05:04:11
98128B9E5F1FBBED0E1B5688AF8F69437767D2AF906B7A168A454EDA634A602D
2015-12-18 01:21:57
Alice is pretty anoyed by the fact, that she must give all her stuff to Bob all the time.
2015-11-24 15:39:56
ciao
2015-10-30 11:26:36
banana
2015-10-30 11:22:31
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2015-10-25 18:31:38
______                _           _             _                                 _    
| ___ \              | |         | |           (_)                               | |   
| |_/ /  __ _  _ __  | | __  ___ | |__    __ _  _  _ __   ___   ___  _   _   ___ | | __
| ___ \ / _` || '_ \ | |/ / / __|| '_ \  / _` || || '_ \ / __| / __|| | | | / __|| |/ /
| |_/ /| (_| || | | ||   < | (__ | | | || (_| || || | | |\__ \ \__ \| |_| || (__ |   < 
\____/  \__,_||_| |_||_|\_\ \___||_| |_| \__,_||_||_| |_||___/ |___/ \__,_| \___||_|\_\
                                                                                       
                                                                                       
2015-10-25 18:14:26
chrisc.xyz
2015-10-25 05:45:31
test test 123
2015-10-15 17:50:57
...Omas liebt ...Belle!!! *nänänänänä*
2015-09-29 18:13:13