Nasdacoin is an encrypted and decentralized Virtual Currency, open source, point-to-point, developed with the scrypt algorithm in the POW/POS Hybrid format that allows people with an entrepreneurial and passionate profile about the financial and technology market to store and invest their wealth in a safe currency not controlled by the government and even gain a substantial investment interest.
ARPA is a Secure Computation Network Compatible With Blockchains They propose a blockchain-based secure computation network of Multi-party Computation (MPC). ARPA cryptographically enables private smart contract, unprecedented data-at-use privacy protection, as well as scalable computational sharding.