Signatura, developed by Consentio Inc., is a blockchain-based digital signature and certification platform designed to provide legally binding, tamper-proof, and verifiable document workflows. Launched in 2016, the service leverages the security of the blockchain to offer open time-stamping and multi-party signing capabilities, ensuring the long-term integrity and authenticity of digital records. Targeted primarily at legal professionals, government agencies, and corporate compliance officers, it simplifies complex signing processes by providing secure, unique URLs for signatories and maintaining a transparent, immutable audit trail for every transaction.