Sumokoin - Digital Cash For Highly-Confidential Transactions

ArQmA: secure, fast and anonymous Currency of the Future // Dev-Pool: https://supportcryptonight.com/arq

Internet History, Digital Cryptography, Cypherpunks, Money \ Economics... All the history is related to Bitcoin.

CryoNote: the secure, private, untraceable digital Proof-of-Stake/Proof-of-Work hybrid Cryptocurrency based on the CryptoNote technology (Now supports user created currencies, and soon to support user created smart contracts).

Digital cash is a system of purchasing cash credits in relatively small amounts. Protocols implemented: Blind Signature, Secret Splitting, Bit-Commitment Protocol and Double Spending as a problem

A crypto currency you can say YAY I have some YAYcoins!

This project includes Digital cash protocol implementation,

Serverless digital cash inspired by Gesellian economics. Gossip-based double-spend prevention, cryptographic privacy, and anti-accumulation demurrage—no mining, no staking, no fees.

Production-grade blind signature eCash protocol implementing David Chaum's 1983 cryptographic system. Features RSA-3072 signatures, double-spend prevention, REST API, and complete Docker deployment.

Dash RPC api client

Dash P2P Client for handling message streams via WebSocket or TCP

A non-sovereign, blockchain/hypergraph-based economic protocol enabling value-based issuance, protocol-funded wages, demurrage velocity stabilization, and offline-first digital payments.”

Exilium cryptocurrency

🙀 Protocol number 4, implements an electronic cash system, in which the digital cash can not be copied or reused more than once and the privacy of the customer's identity is guaranteed