Zcash is a decentralized and open-source cryptocurrency that offers privacy and selective transparency of transactions. Zcash payments are published on a public blockchain, but the sender, recipient, and amount of a transaction remain private. Zcash is based on peer-reviewed cryptographic research, and built by a security-specialized engineering team on an open source platform based on Bitcoin Core's battle-tested codebase. Our improvement over Bitcoin is the addition of privacy. Zcash uses advanced cryptographic techniques, namely zero-knowledge proofs, to guarantee the validity of transactions without revealing additional information about them. How Zcash works Zcash encrypts the contents of shielded transactions. Since the payment information is encrypted, the protocol uses a novel cryptographic method to verify their validity. Zcash uses a zero-knowledge proof construction called a zk-SNARK, developed by our team of experienced cryptographers based on recent breakthroughs in cryptography. These constructions allow the network to maintain a secure ledger of balances without disclosing the parties or amounts involved. Instead of publicly demonstrating spend-authority and transaction values, the transaction metadata is encrypted and zk-SNARKs are used to prove that nobody is cheating or stealing. Zcash also enables users to send public payments which work similarly to Bitcoin. With the support for both shielded and transparent addresses, users can choose to send Zcash privately or publicly. Zcash payments sent from a shielded address to a transparent address reveal the received balance, while payments from a transparent address to a shielded address protect the receiving value. Check out CoinBureau for guide on What is ZCash.
Project PAI is an open-source blockchain project developing the world's first blockchain-based platform for intelligent 3D AI avatars. Personal AI (PAI) looks, talks and behaves like the individual user and, when secured and authenticated on the blockchain, allows for unprecedented customization, utility and personal data control. With communities worldwide and adopters including leading U.S. AI company ObEN Inc., Project PAI is rapidly advancing its vision of allowing everyone in the world to participate in the new global humanistic AI economy. Project PAI's independent blockchain platform is intended to allow users to create, own and manage their digital identity and the associated data, letting users participate in a new global humanistic AI economy where they are the owners of their own digital identity and data. The listing on HBUS marks another step in Project PAI's growth throughout the U.S. and global market. Project PAI's vision is to create a platform where everyone can create their own Personal AI, intelligent digital avatars that look, sound and behave like them. With PAI, users can have more personalized digital experiences, including using their PAI for social media content or interacting with the PAI of their doctors, teachers or even their favorite celebrities across a number of applications in retail, entertainment, travel and more. The core technology for the avatars is powered by Project PAI early-adopter ObEN, a leading artificial intelligence company based in Los Angeles, California. PAIs are secured and authenticated on the Project PAI blockchain. The intention is to always allow the user to be the owner of their own data and if they choose to contribute that data to improve applications or AI algorithms on the PAI blockchain, they can be compensated for their efforts in PAI Coin. In addition, as an open-source public blockchain, companies and developers can create their own apps and tokens on the PAI blockchain to build more interactions for the Project PAI community. Already this year, Project PAI has launched both its mainnet and github. A third-party-developed digital wallet for PAI Coin, called PAI Up, is also available globally on both iOS and Android. The project has recently expanded into the Southeast Asia, U.K. and European markets, following solid presence in China, Japan, Korea and the U.S.