Grin coin is a private & lightweight open source project based on the mimblewimble blockchain implementation. MimbleWimble is a lightweight blockchain protocol proposed by anonymous author that goes by the name Tom Elvis Jedusor (inspired by Harry Potter) in July 2016. Since then, the proposal has gained a huge following among Bitcoin and privacy advocates. Unlike bitcoin or ethereum, there are no addresses in Grin. In order to transact using Grin, both wallets must communicate with each other online with the results broadcasted to the network. Another key different is that transaction history (sender, receiver, amount) will not be recorded on the blockchain. Due to the removal of these information from the transaction, the data size remains small and that keeps the blockchain lightweight. New nodes can easily join the network without having to download a large blockchain. Grin coin was launched without an ICO, fundraising, or pre-mine. Developers around the world contribute openly with the goal to ensure the coin distribution remains as fair as possible. There are 2 popular wallets widely available to interact with the Grin network. Grin core wallet: https://www.coingecko.com/buzz/how-to-use-grin-wallet-to-send-receive-grin-coins Wallet713: https://www.coingecko.com/buzz/how-to-use-grin-wallet713-to-send-and-receive-grin-coin-step-by-step-guide The consensus algorithm used by Grin is the Cuckoo Cycle proof-of-work based. There are 2 hashing algorithms involved with Grin. Cuckoo-29 is meant for GPU mining while Cuckoo-31 is meant fo ASIC mining. This is a deliberate design to encourage miners to eventually move into ASIC mining for efficiency while keeping it fair at the beginning of the launch. Grin coin has launched its mainnet on 15th January 2019 and is now available for mining and trading.
ASCH is a new generation block chain innovation application development platform based on side chain structure which is efficient, flexible, safe, low-cost and reused. With the use of JavaScript as its application programming language, the platform makes use of relational databases to store data, drawing similarities between developing a DAPP and developing a traditional web application. This type of platform carries a great deal of appeal to developers, as well as small and medium enterprises, since its ease of use results in greater productivity, fuelling and facilitating a more prosperous ecosystem in the process. ASCH is open in design and is not limited to any particular niche market such as news aggregation, the issue of assets, arbitration, the existence of certificate, property rights certification, the Internet of things, supply chain finance, asset digitization, commodity tracing, prepaid card system, block chain contract deposit etc. In terms of the consensus mechanism, ASCH has inherited and enhanced the DPOS algorithm, simultaneously reducing the probability of forking and double spending by a significant degree. Furthermore, ASCH’S side chain, i.e. the application mode, not only improves scalability by delaying the expansion of the block chain, but also makes DAPPS more flexible and personalized. ASCH is a forward-looking, low-cost and one-stop application solution, which is believed to be a new generation of incubator for decentralized applications. Adhering to the values of enterprise accomplishments, innovation leading, technology belief and embracing future, ASCH is devoted to building a global commercial block chain application ecosystem, which is not only using block chain technology to empower various industries, but also being the base of the world class economy. The services provided by the ASCH platform include a public chain and a set of application SDKs; the public chain is called the main chain. The ASCH application SDKs can be used to develop blockchain applications with a free-running, immutable ledger. These applications are also known as side chain applications. An application SDK has a built-in cross-chain protocol, through which the side chain can communicate with the main chain. In other words, the main chain has the function of asset routing, through which a variety of assets can flow among different applications. ASCH’s ecological system contains multiple chains, with each chain possessing the ability to carry multiple tokens or assets. Each token or asset can also be transferred to multiple chains.