Doichain (DOI)

Doichain is a leading-edge blockchain-based protocol for fraud-resistant verification and Double-Opt-In (DOI) procedure documentation. It operates on an open, permissionless, and decentralized blockchain, ensuring the safety and integrity of email-marketing processes. By signing the Doichain procedure with a trustable entity, the protocol renders DOI registrations unforgeable, thereby increasing the reputation of email senders and fighting against spam emergence.

The Doichain protocol functions in three steps to achieve verified DOI. First, a user signs up for email notifications or a newsletter, with the Single Opt-in (SOI) signature transaction sent over the advertiser’s Doichain node. Secondly, the SOI and DOI are validated by the recipients’ Doichain node, which acts as an SMTP-Server add-on. Lastly, both the SOI and DOI are fraud-resistant and documented on the blockchain, ensuring the immutability and integrity of the DOI process.

If you seek a globally unique blockchain DOI technology to prove a Double Opt-In registration, Doichain provides a secure and reliable solution. Utilizing the self-decentralizing principle of growing Doichain validators pushes the DOI quality to previously unreachable dimensions. To learn more about the advantages and chances offered by this innovative verification method, you can download the Doichain whitepaper or subscribe to their newsletter for regular updates.