Trust through ethereum blockchain (experimental testnet) : 

    Register an account by signing your user and posting the signature on a network (twitter, facebook, reddit or your favorite BBS) 

    Trust registry : https://explorer.bloc-fondations.fr/address/0xA2a71C1E6Db89B6A66e3F25dc6d1598Bd3D5eCda 

    Certify / verify with a trusted user : https://explorer.bloc-fondations.fr/address/0x16064326B6Af83C95f296bE5e613065213a257eD 

    Datastore for certifications : https://explorer.bloc-fondations.fr/address/0x9c1303CE94D50Be6968a999fCB4d49bf88686DEA 

  
 
The tool below gives you Ethereum signature of a given message. Done with web3 libs via metamask (needs metamask installed). 

ID

login 

message to sign :

Sign message 

file to sign :

Sign file 


signature :
 

Signature verification

signature to verify :
 

message to verify :

verify 

File to verify :

verify 

source :

user :