Welcome to the new etherchain.org. Right now we are still in limited feature mode. Over the next week we will continue to add new functionalities to the platform. Stay tuned!
INFO: Signatures are a way to prove ownership of an Ethereum address without disclosing the private key of this address. We recommend generating signatures using the excellent tool provided by MyEtherWallet.

Ethereum offline signature verification tool

Paste the signature as generated by MyEtherWallet: