Here's me at 2020-07-05 Share content online .

Blockchain is first of all a traditional distributed system ; secondly , By technical means （ Hash 、 Public key system 、 Merkel tree, etc ） Built trust in all parties to the deal , Making anonymous secure transactions possible ; In turn, it makes all parties more willing to participate in the transaction , Let value （ Also with the help of similar ERC20 And so on ） Flow between nodes , Finally, the value Internet will be formed .

One dimension ： The bottom chain -> All kinds of agreements （ Such as 0x、uniswap etc. ） -> Various applications （ game 、 exchange 、 Blockchain and other application technologies ）; Another dimension ： infrastructure （ Such as Infura）、 Tools （ Such as all kinds of Multi Chain wallets ）.

The idea of digitalization has gradually entered the hearts of the people , After years of internal cultivation , Internal informatization tends to be perfect . With the further popularization of the Internet , Information integration among enterprises is the general trend . meanwhile , Technology is driving further changes in business .

The first two questions will be 【 Blockchain 】 Switch to 【 A technology 】 or 【 B technology 】 The same applies .

To some extent , Blockchain technology is an inter enterprise 【 Information Integration 】 Natural choice .

Direct operation node The most simple , But it's almost worthless ; According to their own business characteristics to build their own runtime It's development Substrate Apply normality ; The last one is similar to being implemented entirely in another language , Just follow the technical specifications Substrate standard , Similar to Ethereum multilingual client ecosystem .

however , I haven't seen the third way yet .

As far as my understanding is concerned ,Substrate runtime The ability to develop makes ink! It seems superfluous . Given that Ethereum is one of the biggest Ecologies for blockchain development , If you want to take advantage of previous technology investments , Consider introducing Substrate EVM modular , Accordingly , It also lists the main Ethereum development tools .

See also Substrate The document operates on its own .

The relationship between node and business can be compared to Tomcat And Web app The relationship between , You are planning to support multiple businesses with one node , Or do you plan to have one node for each business ？

The relationship between account and business is about authority , It's also analogous to ：

• One person is responsible for the business between enterprises

• The spokesperson of an enterprise is responsible for all the business related to the enterprise

• Dealing with different people at different stages of a business process
  

First ,Token Not a monster ; secondly , No use Token We all need to abide by laws and regulations . Use or not depends on the business process and business model .

There are different participants involved in different stages , Building a blockchain around such a scenario is valuable , And once on the chain , The relevant materials and archives are clear , It provides a foundation of trust for the next stage participants .

contrary , If you just focus on a single stage , Such as operation and maintenance , It may not have too much value .

in the final analysis , Blockchain should support the participants , To put it bluntly, it is also a support for a good business ecology .

Problems in sharing

1. How can different points between enterprises be connected through blockchain ？

answer ： Can handle Substrate The node is implemented as a multi tenant integration system , The simplest design of each user's points is ：（ Enterprises id、 user id、 integral ）; secondly , Realize the exchange gateway between enterprises , This exchange rate needs to be negotiated by enterprises themselves ; Last , We need to make sure that the general ledger is consistent , namely A Enterprises 100 Exchange points to B Enterprise 10 After integral , It needs to be increased and decreased .

At the same time, we also need to pay attention to the problem of how integral is generated , There may be different approaches according to different logics . One way, for example, is to , Exchange produces ; The other way is that exchange and production have nothing to do with each other , At this time, if there is no surplus B Enterprise points cannot be exchanged . In reality, there may be more .

2. How to determine the exchange rate ？

answer ： This is more about business , Not a technical problem , It can only be determined by relevant business personnel .

3. It's very difficult for enterprises to determine the exchange ratio .

answer ： ditto , The return of Technology , Business belongs to business ,.