Hi!
To all BlockChain.info developers (@piuk and so),
I've just found a bug in the BlockChain.info Tag System, someone can just tag any address that he dont own and everybody will that open the blockchain.info address link will see it, (also is possible to include links).
Proof of Work:
(Look near the green arrow)
http://blockchain.info/address/1DkyBEKt5S2GDtv7aQw6rQepAvnsRyHoYMhttp://blockchain.info/address/1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uFhttp://blockchain.info/address/16cou7Ht6WjTzuFyDBnht9hmvXytg6XdVTHow to insert text + link in someones bitcoin address page (at blockchain.info):
1.- Go to
http://pastebin.com/ and paste the address, copy the given link
2.- Go to
http://blockchain.info/tags and fill the form:
Address: Target_Bitcoin_Address
Tag: Your mensage (it will be shown publicly)
Link: Pastebin link
3.- Go to
http://blockchain.info/address/Target_Bitcoin_Address and view your Tag.
No confirmation is required, see that the proof-of-work links are very famous addresses.
My bitcoin address (if someone wants to tip me):
BTC 1R2sWeVhFitB8zVbkrmdSoXzaQRsw6cfh
Thanks and keep improving Blockchain.info, the best online-wallet ever.
