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.
Decentraland is an Ethereum-powered virtual reality platform. In this virtual world, you purchase plots of land that you can later traverse, build upon, and monetize. There’s no limit to what you can do. It’s the first digital platform that’s completely owned by its users. Similar to games like Skyrim and Fallout, Decentraland is an all-immersive virtual universe. However, instead of playing on a 2-dimensional screen, you participate in a 3-dimensional world. It seems to be the logical next step before creating full-blown AI-based games in the physical space à la Westworld. Similar groupings on LAND comprise Districts. Districts are basically communities that revolve around a shared theme. For example, there may be a District just for crypto enthusiasts with cryptocurrency apps and services. The Decentraland team is led by Ari Meilich (Project Lead) and Esteban Ordano (Tech Lead). Ordano previously worked at Bitpay as a software engineer and founded Smart Contract Solutions, Inc. Both founders have also worked together in creating Stremium and Bitcore. Decentraland has been around for longer than you may think. The team hit their first development milestone, Stone Age, in June 2015. This was a simple, pixelated grid that allocated pixels to users through a proof-of-work algorithm. Most recently, they held a Terraform Event in which they sold LAND in the new, 3D world. The team has also partnered with district0x, Aragon, and imToken to provide some of their services. MANA is the token used to buy lands in Decentraland. The Blockchain platform can be incorporated in order to buy or sell the various digital assets available in the virtual world. An unclaimed land would have the same market pricing on every exchange possible and precisely the developers are on a hunt for such since as they can build on top of it, and attract lot of popularity. However, one must keep in mind that the land parcels are different from them and each one of them varies according to the various market conditions of that time. Mana can be a great investment and can be bought by trading and with other Bitcoin, Ethereum, or any other prominent cryptocurrency and on some of the most notable cryptocurrency exchanges. Specifically, Binance and Huobi are two of the best cryptocurrency exchanges that one can suggest for trading Mana tokens. The Decentraland coin isn’t a minable cryptocurrency as it is issued on the Ethereum blockchain, unlike Bitcoin and other similar currencies. So users looking to engage in some Decentraland mining will be disappointed. Instead, it was sold during token sales and is now being traded on exchanges.