Enterprise Ready Blockchain For Trusted Electronic Signing. Perpetra is on a mission to build the global clearinghouse and custodian for digital signatures. Thanks to the deployment of blockchain technology, digital signatures can be validated at any time and at any level of trust. Furthermore, signatures evidence and associated identities are preserved in an immutable manner for the long-term as required by signature laws. Any electronic identification vendor and any digital signature provider can connect to our API within in 30 days, and so can any end customer wanting to digitize signing processes. Our cross-border clearinghouse solution is fully compliant to data protection and digital signature laws, and adds an important layer of trust and convenience to the digital signing ecosystem.