Why can't you rob scientists of NFT

​​ One 、NFT Buying process

The process is explained in detail

​ Two 、 How scientists rob NFT

    Use program grab NFT, Is to use various means to make their own transactions TX Can be packed by miners before others , Complete before sold out NFT mint. At the same time, scientists are pursuing perfection , The most perfect result is of course your own TX It appears in the first block that meets the public sales status , That is to say rob Block0.

    Two scenarios Block0 Here's the picture , At the same time Block0 It can also avoid the subsequent rush buying Gaswar, Reduce snap up costs . But now more and more roll ,Block0 It will happen Gaswar, such as XRC Public sales are less than 200 individual , Get into Block0 Of scientists TX Count >200, There are also many because Gas The execution is too low, and the execution is too late to seize .

​ 3、 ... and 、 The means scientists use to sum up three points

​  ▼ Lower information acquisition delay

   NFT mint and DeFi The transaction takes place in the Ethereum network , We are pursuing faster Ethereum Node Or access to the network of large ore pools , Faster monitoring to Txpool Of pending TX, Get the information you need to make the program execute in a timely manner .

​  ▼ Trading takes a shorter path

    1、 Look directly at the above TX The interaction process , Scientists' choices must be made directly through procedures and NFT Contract to interact with .

    2、 By deploying your own contracts on the chain , Through private contracts and NFT Contract interaction . Although private contracts require external TX Trigger , But contracts can be purchased in bulk , Especially suitable for unlimited mint In quantity NFT.

  ▼ Batch submit transactions

    In addition to the private contract mentioned above mint outside , If the project limits the number of mint Number , Can pass Flashbots Package multiple TX Submit... Together .

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​ Four 、 contract mint

    An example of contract snapping up ,YOKAI Public after-sales service . Scientists use private contracts , A total of mint750 individual . Detailed see TX .YOKAI Contract code , There is no limit to one address mint How many? , Only once tx Can only mint 2 individual . So it was reserved by scientists .

​ 5、 ... and 、 Artifact Flashbots

  Use Flashbots There are a few advantages of ：

  1, It can be packaged in batches TX Submit... Together , Can independently control the packaging TX The order of priority .

​  2,Flashbots The submitted TX Will not appear in Txpool, It will not be seen until it appears on the chain . This provides TX The secrecy of , So a lot of DeFi The quantitative trading platform advertises its access Flashbots.

  3, adopt Flashbots mint Failure will not be accepted Gas fee

  Flashbots Snap up our cold rabbit XRC Take the public sale of ：

    Boss Yi said that the public sale would not be for scientists , But the result is block=14020984 Block0 Solve the battle , All the scientists are in private . Sent by the project party setStatus TX stay 14020982 At the time TXpool Monitored

    Then scientists put setStatus TX Own mint tx Together with flashbots Packed , Sent to miners . Here scientists put setStatus TX In the first place , Though it Gas low , To his own mint tx At the back , Final tx stay 984 Block in chain .

6、 ... and 、 Burning block

    Simply put, it's always going on tx, Send more mint The probability of success is high , Lucky enough to squeeze in Block0. The problem with this solution is that it will be very expensive Gas fee , It belongs to a rich and willful game .

​     Generally, the starting time of burning block is considered , Every time Tx interval , Number of times sent ,gas Expenses, etc , This is generally based on the project time , monitor pending tx, Consider the speed of the block on the chain . When cold rabbit was sold and snapped up, a large number of scientists used the method of burning blocks to snap up successfully , But look at this wallet

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