Blockchain zrcoins

1. You can download a "coin listening" app, a live answer software. They will share 12 questions every day, and the questions in it are knowledge related to blockchain. A must for beginners! I'm also learning. Let's refuel together~

2. At present, the centralized exchanges are more popular, such as currency security, gate and fire currency, and gate is more convenient to access gold. However, decentralized trading is a trend in the future. Now, in the area of decentralized trading, the Luyin agreement is doing better in China.

3. The development of blockchain financial trading platform includes:
cross border payment, supply chain finance, insurance, digital bill, asset securitization, bank credit reference and other fields
① cross border payment. Due to the characteristics of disintermediation of blockchain, openness, transparency and non tampering of transactions, no third-party payment institutions join in, which shortens the payment cycle, reces costs and increases the transparency of transactions< (2) digital bill. Blockchain has the characteristics of disintermediation, system stability, consensus mechanism and tamper proof, which can rece the operational risk, market risk and moral risk in the traditional centralized system< (3) credit management. In the field of credit investigation, blockchain has the characteristics of decentralization, distrust, timestamp, asymmetric encryption and smart contract, which ensures that limited and controllable credit data sharing and verification can be realized on the basis of effective protection of data privacy< (4) asset securitization. The characteristics of blockchain disintermediation, consensus mechanism and non tampering can increase the efficiency of data flow, rece costs, monitor the real situation of assets in real time, and ensure the trust of all parties in the transaction chain on the underlying assets< (5) supply chain finance. Due to the characteristics of disintermediation, consensus mechanism and non tampering of blockchain, it does not need a third-party credit enhancement agency to verify the authenticity of various relevant vouchers on the supply chain, so as to rece the financing cost and financing cycle< (6) insurance business. With the development of blockchain technology, personal health status, accident records and other information may be uploaded to the blockchain in the future, so that insurance companies can obtain risk information more timely and accurately when customers take out insurance, so as to rece underwriting costs and improve efficiency. The sharing transparency of blockchain reces the information asymmetry and the risk of adverse selection; The characteristics of its history can be traced, which is concive to recing the moral hazard, thus recing the difficulty and cost of insurance management.

4. In the field of blockchain, the role of wallet is to manage your virtual currency locally and complete some common transactions. The metamask plug-in itself is a plug-in of Google browser. With this plug-in, you can trade and store Ethernet currency, which is convenient to show the value of blockchain
at present, there is a blockchain project called Aqua oxyhydrogen. According to its white paper, DAPP of the project has its own wallet function, so there is no need to download the wallet again. I hope it can help you.