Sign.co - Blockchain based digital signatureSign.co
Sign.co is a cloud platform created to make things easy: easy signatures, easy collaboration, easy pricing, and worry-free security. Data security is our highest priority. In an effort to address modern challenges, the platform is built on IBM's industry-standard blockchain technology, the Hyperledger. This presents us with the opportunity to make contracts and revision histories tamper-proof. Get unparalleled security without compromising on ease of use.