sea区块链是什么,区块链 staking

㈠ Which country's power amplifier is seasbridge?

Hello, please let me answer your question. First of all, as far as I know, Sealchain is a financial public chain for asset transfer! Founder Zhang Yuyan, Marvin, has worked in a Wall Street investment bank for more than 10 years. The SEAL technical team is organized by Han Fei, one of the top 50 global blockchain technology experts! The project is a combination of a regular army with a financial background and a very high level of blockchain technology! Built-in gold-standard stable currency, collateralized by physical gold, anchored to the US dollar at a ratio of 1:1. Currently, there are already 5 projects running in Southeast Asian countries such as the Philippines! Based on the above understanding, we can temporarily infer that our country is different. The above is my answer. I hope it can help you.

Can digital currencies make money?

The current mainstream digital currencies are Bitcoin, Litecoin, and Ethereum. The investment prospects of these popular digital currencies are still quite large. Just like before Bitcoin, 10,000 Bitcoins were exchanged for 2 pizzas. Now one Bitcoin is worth more than 20,000 yuan, and according to the current global Bitcoin market trend, it seems that it will only keep rising. Those who agree with digital currencies such as Bitcoin There are also more and more groups.
But it’s really hard to say about making money by investing. I can only say that you should be cautious and understand carefully before looking at it. Currently, there are many good blockchain projects that use digital currencies for transactions. You can check out related reliable projects. I understand it at the moment. The sealchain project I came across is quite good and has practical application scenarios.
It will be helpful to learn more about digital currencies, blockchain-related technologies, projects, etc., personal suggestions~

㈢ What are the legal funds?

There are many , for example: 1. The court has judged fund disk cases (a total of 43 cases were monitored in 2019): Asia-Europe Coin, GBC Coin, Wealth Coin, Xibao Coin, Zhonglian International Blockchain, CTC Blockchain Asset Trading Project, Yatai Fang APC coin, FCF trading platform, Meile Chain, Baote coin, Dasheng coin, cloud gold coin, Five Elements coin, LON coin, GGP win-win points, Ligecoin mining machine investment platform (Ligecoin), MFC Network platform (M coin), Perak coin, GWG platform, QEF network platform; Sky Cloud Century (cloud points), Xibao coin, Seal coin (Hill chain), Haina coin, Ubao coin, TokenStore (token) Guanjia) Wallet, Baili Cloud, Huimin Cloud, GMQ Platform, Silver Titanium Coin, Thailand Global Travel Chain, Yuanbao Coin (YCC Digital Currency), BRICS Reserve Asset Currency, Industrial Financial Management Network Platform, AFTC Virtual Coin Trading Platform, Angel Coin; Energy Investment Platform, "Thirteen Arts Mall, Shubao.com, Mega Oxygen Super Treasure, (Yishang Securities)", Smart Chain, Guosu Blockchain, ehuiyunshang, Yiyun Blockchain, MB Chain, circulating currency, micro-mining machine, TLC. 2. Local police or relevant departments have opened cases to investigate fund disk cases (a total of 29 cases were monitored in 2019): PlusToken, Bit Pig, Zhongtian Shengxiang BCHC, NBY, DCRC digital copyright blockchain, FC currency (FC integral), EOS Ecology (EOSNode), Xunshan Farm Platform, Internet Gold Points, Mega Cloud Gold, WoToken Wallet, Alfa Coin, ICC Internet Celebrity Chain, Radar Coin, Liangbisi, Huileyi, BISS Exchange; AKOEX trading platform currency , PCE currency, ICC Internet celebrity chain, BZC, BTA, LCC light cone currency, IDAX exchange (platform currency IT), Yunpay, Shell International Trading Platform, Yuncoin platform, BHB, Hero Chain HEC, Qubu. 3. Cases of runaway and collapsed funds monitored by ChainDD (a total of 28 cases were monitored in 2019): MGEX trading platform, DOGX wallet, MoreToken wallet, Bitdog, USDTex exchange, Walden Block Dog, YouBank, MGCToken Wallet, SumToken wallet, BeeBank digital currency wallet, BIB digital currency, Kaiden Digital Asset Management Company, Abnormal Miner BTMC, Wave Point Wallet, Tron Super Community; Ruijing House Trading Platform, Flash Chain SHE, V-Dimension Resonance Coin (VDS), Bell Chain, EGT, Fomo3D, Cambodia’s national stable digital currency KHT, GEC environmental currency, Shengshi Dynasty Game Platform, Quark Chain, MunicsBank, Qusleep, Guirentong GRT.

㈣ What does seal mean?

seal
/ si

㈤ Does anyone know Zhang Yuyan, founder of SEAL, the seal chain?

After listening to his courses, I feel that he is quite knowledgeable. It is said that he graduated from Renmin University and later went to the United States for further study. He has been working in a very good investment bank, such as Lehman Brothers, UBS and so on. He returned to China to start a business in the past two years, and Seal Chain was founded by him.

㈥ Miner Process

The process for Ethereum miners to produce blocks has changed in different versions. The following is based on version 1.7.3 and version 1.8.4
< br /> channel: used for 1 send and 1 receive

Send: sampleChan<-

Receive: <-sampleChan

Feed: used for 1 Send and receive more, refer to chainHeadCh

Receiver registration: Subscribe (sampleChan)

Send: send, the place to send is not easy to find, you need to pass the send and event/channel types Search, for example, the main thing involved in miner is PostChainEvents

Receive: <-sampleChan

Data structure:

It can be understood that if there is a mine (tx) in the operation room (eth), then the mine owner (miner) arranges workers (workers) to mine (seal). The structure is defined as follows:

Type Miner struct { -- - understood as the mine owner

mux *event.TypeMux

worker *worker -- -- Understood as workers who work

coinbase common.Address

eth       Backend - --- Understood as operation room

engine   consensus.Engine ---- Understood as a mining tool

exitCh chan struct {}

canStart int32 //canstart indicates whether we can start the mining operation

shouldStart int32 //shouldstart indicates whether we should start after sync

}

The flow chart is as follows:

1. Node startup: backend. new->miner.new->worker.new: Call commitNewWork, which uses push to pass the work to cpuAgent. Then type miner.start() on the geth command line ->miner.start->worker.start->cpuAgent.start, call Seal, and calculate the nonce value. , and then send the recv message to notify the worker. wait. After receiving it, the block is packaged and inserted into the blockchain. Then PostChainEvents is called to send the message chainHeadCh. After receiving the message, Worker.update calls commitNewWork again, forming a loop.

2. Creation block: Calling geth’s init command triggers the call initGenesis->SetupGenesisBlock. It is specifically emphasized that time is the value in genesisBlock.json used, which is generally 0.

3. Normal situation: worker.wait, after receiving the block, package and insert it into the blockchain, then call PostChainEvents and send the message chainHeadCh. After receiving the message, Worker.update calls commitNewWork again to form a cycle.

Miner .new: Called when backend new, that is, called when the node starts.

Miner. update: Called when the node starts, it is used to monitor whether there is block synchronization. If there is, stop mining. If mining is not started, this is used in competitive block production such as POW. required in the environment.

Worker.new: Called when miner.new is called, recorded when the node is started

Worker.update: Called when the node is started, used if it is a non-full node For monitoring the acceptance of transaction transactions, the key function commitTransactions is also used to schedule the triggering of commitNewWork after receiving the message from chainHeadCh

Among them, commitNewWork: used to input pending tx into the system, calculate trie and other operations , generate block, and push the work to cpuAgent for processing. Note that it is not stamped

Worker. wait (corresponding to the resultLoop of 1.8.4): called when the node starts, listens to the recv message in a loop, and will carry the block Insert into the blockchain, send broadcast messages (NewMinedBlockEvent), and send messages PostChainEvents (send ChainHeadEvent, ie chainHeadCh). The key function is WriteBlockAndState.

cpuAgent .update(): Start the loop after the command line call of cpuAgent.start()->worker.start->miner.start->geth to receive the work assigned by commitNewWork. The key function mine, which calls Seal, mainly completes the operation of POW to find the nonce value, and sends a recv message to notify the worker, which can also be called a seal.

The class diagram is as follows:

The specific structure will not be described again

Process:

Miner.update: used for monitoring Is there block synchronization? If so, stop mining. This is required in a competitive block generation environment like POW

mainLoop: After receiving the newWorkCh message, process it and call commit in commitNewWork to send the taskCh message.

newWorkLoop: Send newWorkCh message after receiving startCh message and chainHeadCh message

resultLoop: Loop listens to resultCh (seal sending) message and inserts the carried block into the blockchain. And send broadcast messages, the key function WriteBlockAndState, and send chainHeadCh messages

taskLoop: What the agent did before, after receiving the taskCh message, call seal, which sends the resultCh message

㈦ Is Sealchain a scammer?

Be careful of online scams, be careful of people’s hearts. For the sake of your new life, I hope everyone will not trust strangers easily. Pies in the sky will not fall, but traps will fall. Everyone should be vigilant. get up nowThe new year is here, don’t let the beginning of the new year be ruined like this. Everyone should be down-to-earth, seek truth from facts, and become stronger for yourself and the people you love.

㈧ What is blockchain? How should ordinary people invest in blockchain projects?

Blockchain is a distributed technology , specifically the composition of technology under the Internet, there are currently two directions that ordinary people can invest in, one is to invest in the stocks of blockchain companies, this has certain risks, individuals can follow what they are familiar with, and the other is to invest in virtual Currency is something like Bitcoin, but you need to choose an old and reliable platform, one with a longer history and a good reputation. You can look at AEX and Huobi, which have a long history and long-term financial management. You can choose AEX Financial Supermarket