Backends end-to-end encrypted messaging system.
CashWeb messaging system is a highly scalable federated messaging system that uses cryptocurrency commitments to automate moderation. This avoids the need for complicated moderation systems to inhibit SPAM. This also obviates the need for centralized servers. As a consequence of this, CashWeb messages are uncensorable.
See the whitepaper for more information: https://www.stampchat.io/whitepaper.pdf