Tag：transaction
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Time：2021-6-23
It’s said that the shock body is very eye-catching. I’ll try it today At the beginning of all the articles in this series, I will summarize the contents of the corresponding articles in one or two sentences. If you are interested in this topic, you can continue to read on. If you are not interested, […]
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Time：2021-6-18
preface This project is mainly used to assist quantitative trading simulation test. At present, it supports simple data simulation of trading, query, account balance and position randomness. Later, it will add process, strategic, market data simulation and so on. It can reduce the real transaction environment and test cost that developers need. Sharing beforePHP efficient […]
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Time：2021-6-8
preface WonderTraderAs a quantitative development and trading platform, in addition to the extreme speed experience brought by the C + + bottom layer, the most important and core killer isCombination disk management。Wondertrader’s combination disk refers to the combination disk configured by a series of strategies. The strategy in a combination disk can be different strategy […]
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Time：2021-6-7
What is the relationship between blockchain technology and finance and other real economy? What are the case scenarios of blockchain technology used in the actual business of Yixin? On the afternoon of December 6, the monthly CEO Forum was held in Beijing as scheduled, and nearly 100 colleagues attended. In this session, we invited Xiang […]
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Time：2021-5-31
Coase Theorem: As long as the property right is clear and the transaction cost is zero or very small, no matter who is given the property right at the beginning, the final result of market equilibrium is efficient and Pareto optimal resource allocation is achieved. The existence of enterprisesIt is to use a large contract […]
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Time：2021-5-13
Since October 24, the national high-level voice on the blockchain technology, the traditional industry giants and national giants began to sweep the whole industry. In fact, giants like Alibaba, Huawei, Tencent and Baidu are already ready to go. However, for these giant alliance chains, both the underlying facilities and ecological construction have been very perfect, […]
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Time：2021-5-10
Have you ever come across a scenario in which the company needs to configure an internal service and expose a public network interface for debugging. At the same time, in order to ensure security, token verification is set for this interface. Only members of the group know the token. Obviously, there is a security risk […]
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Time：2021-5-9
Speculation is lower than the threshold of stocks and so on, the new third board purchase can not do without capital proof. If you want to speculate in currency, you need the intermediate of the exchange. For example, okex, Huobi, coin an and so on. However, recently, the exchanges have been severely closed down. There […]
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Time：2021-4-29
The common point of these two problems is that there is a limit on the number of transactions, that is to say, there are two states changing: I (the current date is the index of the array) and K. Here, the state of DFS is found, that is, the parameter of DFS function:function dfs (i,k){} […]
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Time：2021-4-28
By Alice Qu Even the new high bitcoin has brought considerable heat to the encryption world, while the rise of defi makes market participants more truly realize the application value of the encryption world. However, for a long time, the pain point of too high participation threshold of defi products has not been effectively solved. […]
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Time：2021-4-18
BTC deal Each transaction has at least one input (txin) and at least one output (txout) except coinbase. The transaction model of bitcoin is utxo (unspend transaction output), that is to say, only the unused bitcoin output is recorded, and each transaction costs one or more previous outputs. Transaction important information { “version”: 1, “locktime”: […]
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Time：2021-3-31
Basic knowledge of hyperledger fabric In this article, we will introduce the basics of hyperledger fabric and learn how to make full use of this multi-functional blockchain framework. Blockchain technology provides abundant opportunities for innovation. It provides a new way of transaction, which can fundamentally change the realization of business. So, among the numerous blockchain […]
