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 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
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recent transactions:
Money is only a tool. It will take you wherever you wish, but it will not replace you as the driver. ~ Ayn Rand
2015-07-29 15:31:23 UTC
                 ,.=ctE55ttt553tzs.,
             ,,c5;z==!!::::  .::7:==it3>.,
          ,xC;z!::::::    ::::::::::::!=c33x,
        ,czz!:::::  ::;;..===:..:::   ::::!ct3.
      ,C;/.:: :  ;=c!:::::::::::::::..      !tt3.
     /z/.:   :;z!:::::J  :E3.  E:::::::..     !ct3.
   ,E;F   ::;t::::::::J  :E3.  E::.     ::.     \ttL
  ;E7.    :c::::F******   **.  *==c;..    ::     Jttk
 .EJ.    ;::::::L                   "\:.   ::.    Jttl
 [:.    :::::::::773.    JE773zs.     I:. ::::.    It3L
;:[     L:::::::::::L    |t::!::J     |::::::::    :Et3
[:L    !::::::::::::L    |t::;z2F    .Et:::.:::.  ::[13
E:.    !::::::::::::L               =Et::::::::!  ::|13
E:.    (::::::::::::L    .......       \:::::::!  ::|i3
[:L    !::::      ::L    |3t::::!3.     ]::::::.  ::[13
!:(     .:::::    ::L    |t::::::3L     |:::::; ::::EE3
 E3.    :::::::::;z5.    Jz;;;z=F.     :E:::::.::::II3[
 Jt1.    :::::::[                    ;z5::::;.::::;3t3
  \z1.::::::::::l......   ..   ;.=ct5::::::/.::::;Et3L
   \t3.:::::::::::::::J  :E3.  Et::::::::;!:::::;5E3L
    "cz\.:::::::::::::J   E3.  E:::::::z!     ;Zz37`
      \z3.       ::;:::::::::::::::;='      ./355F
        \z3x.         ::~======='         ,c253F
          "tz3=.                      ..c5t32^
             "=zz3==...         ...=t3z13P^
                 `*=zjzczIIII3zzztE3>*^`
2015-07-29 14:20:19 UTC
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

On July 17th, 2015, bitsig.io was created by Daniel Routman and Josh Ortwein on the simple idea that any text or document can be timestamped on the Bitcoin blockchain by sending a small amount of bitcoin to a brainwallet.  The text or document can be used as the passphrase for the brainwallet, and can be of any length or size.
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Version: GnuPG v2

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FTqlnGTCx4JlCIR9qhAcT32F7GTFSmrb8SwivsHJe8Hh99qBabcUK0UVCk9CMYzJ
zkPuFPBLy9QGJWJxLoCENYyu69tnqZ/fibxuq7kpm+9kW8OVt+1D75vzoxeLCW4J
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2015-07-26 05:19:24 UTC
hello
world
2015-07-22 21:18:24 UTC
NAKUPENDA(♂+♀=♥♥♥)
2015-07-09 01:33:07 UTC
cow
2015-07-06 15:48:58 UTC
cows
2015-07-06 15:48:58 UTC
best
2015-07-06 15:48:58 UTC
donkey
2015-07-06 15:48:58 UTC
poker
2015-07-06 15:48:58 UTC
nitro
2015-07-06 15:48:58 UTC
food
2015-07-06 15:48:58 UTC
bestest
2015-07-06 15:48:58 UTC
coffee
2015-07-06 15:48:58 UTC
satoshinakamoto
2015-07-04 05:29:52 UTC
power
2015-06-30 21:02:46 UTC
tom
2015-06-30 21:02:46 UTC
car
2015-06-30 21:02:46 UTC
wallet
2015-06-30 21:02:46 UTC
Password1
2015-06-30 21:02:46 UTC