Qtum is a decentralized and open-source smart contracts platform and value transfer protocol. Qtum uses proof-of-stake consensus, meaning node operators are rewarded for validating transactions. It is a DGP governed blockchain where community participants can vote to change certain network parameters. Qtum is built on a bitcoin core fork, but the foundation has created its own hybrid blockchain with the help of several key tools. The coin uses bitcoin’s chain because of its simple and stable nature, allowing the foundation to build upon it more easily. As the QTUM project is a hybrid of Bitcoin and Ethereum, its team comprises of members from both Bitcoin and Ethereum community. They also have team members who formerly worked with Tencent, Alibaba, Nasdaq etc. Apart from that, they are backed by some notable VCs and prominent people from the Blockchain community such as Patrick Dai (Project Co-Founder), Neil Mahi (Chief Blockchain Architect/Co-Founder) and Jordan Earls (Lead Developer/Co-Founder). Qtum provides a Turing-complete blockchain stack and is able to execute smart contracts and decentralised applications like the Ethereum blockchain. Qtum builds on Bitcoin's UTXO transaction model and uses the Proof-of-Stake algorithm. It is backed by some highly prominent members of the blockchain community such as Anthony Di Iorio, Xu Star, Bo Shen, David Lee, Jehan Chu and Roger Ver. Qtum sold over 10 million dollars’ worth of its tokens after only 90 minutes, eventually raising a total value of $15.7 million before stopping the campaign early after only 5 days. They raised a total amount of 11,156.766 bitcoins (BTC) and 77,081.031 ether (ETH) in exchange for the 51 million Qtum tokens being distributed to the public. In Qtum’s whitepaper, 51% of the coins were distributed to the public via the crowdfunding campaign. Of the remaining 49%, 29% of the coins would be allocated as community incentives, and the remaining 20% would be distributed to the early backers and development team.
A creator-driven, blockchain-based ecosystem for content creation, distribution, and consumption POPCHAIN is a bottom-driven open, public block chain. It is committed to building a block chain 3.0 with supporting services and rapid solutions in creative field. It focuses on block chains and key AI technology such as main node, POP domain name, side chain, consensus mechanism and smart contract. POPCHAIN boasts solid business logic and eco-industrial carrying capacity. It helps enterprises for digital assets and fan economic operation. Consumption scenarios such as content distribution and scene services form an industrial digital asset operating cycle, providing copyright protection, content distribution, IP rights, big data, AI cloud brokerage and other supporting services. POPCHAIN provides a friendly API that allows third-party developers to build their own applications (DAPP) on the basis of their open source protocols. POPCHAIN can be widely used in live broadcast, advertising delivery, code sharing, games and other fields. It revolutionizes and reshapes these areas, So that the center between entertainment developers and consumers no longer dominate resource and value transfer.