CommerceBlock is a public blockchain infrastructure company that is architecting a platform that allows anyone to build and use financial products and services historically reserved for commercial banking customers. The CommerceBlock network will be the first technology platform that provides a combination of trust minimal trade, decentralised contract execution, on-chain derivatives, and asset-backed token issuance to public blockchains. The advent of the Bitcoin protocol has enabled permission-less financial innovation. CommerceBlock’s product offerings provide a suite of tools that enables anyone to build and use services that construct contracts, manage trade flows, engage in multiparty dispute management, issue assets, and hedge currency risk. Developers and end users will be able to manage all stages of a business interaction and fulfil their contractual obligations by utilising the CommerceBlock platform. These services will be integrated into infrastructure we have already implemented. We have released the first open-source implementation of the pay-to-contract and homomorphic address protocol outlined by Timo Hanke and Ilja Gerhardt. The protocol has been designed in such a way that all business logic, customer funds, and trade details are managed on the client side meaning at no point does CommerceBlock have access to customer funds or private information.
Hcash is a new cryptocurrency designed to allow value transfer among blockchains and between blockchains and blockless cryptocurrencies. In addition, Hcash will support private transactions, DAO governance, and quantum resistance. Since Hcash hopes to be a side chain for many different cryptocurrencies, including privacy coins, it will need to implement privacy features to mask how users are moving their funds. To address this issue, Hcash will come with two types of wallets: white and black. While the white addresses will be publicly viewable, the black addresses will remain private. In order to achieve this privacy, Hcash will implement zero-knowledge proofs. This system, as proven on Zcash’s blockchain, involves masking the identity of the sender and receiver through the use of advanced cryptography to verify transactions without sharing information about the transaction with miners. As a result, blockchains that implement zero-knowledge proofs do not include any identifiable user information. Hshare offers enormous technical potential in the industrial, private network sector. Multi-compatible and multifunctional software, which is already designed for quantum processors, makes it possible to combine a wide variety of crypto technologies. This offers advantages in the FinTech area, in finance, in dealing with Big Data and also for the application area of the Internet of Things. Hshare seems to be not subject to any limitations.