Recent questions tagged blockchain

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blockchain - How can we generate multiple random number in ethereum?

I want my smart contract to return 7 or 8 UNIQUE random numbers ranging from 1 to 100 upon calling the ... approach to obtain such result? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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blockchain - ehtereum smart contract approve spender from another contract

I have a erc20 token and in another contract I want to create a token swap function. So very easily, one ... have some rescoures? Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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blockchain - Hyperledger Fabric GOSSIP_BOOTSTRAP & GOSSIP_EXTERNALENDPOINTS

I was looking into the docker configuration files and found two parameters in peer environment as shown below: ... would be really appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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blockchain - Is it possible to reserve an address on Solidity smart contract creation for taxes collection?

I am playing with solidity programming language and trying to implement a contract that every made transaction is ... . Is that possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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blockchain - Are blocks mined in HyperLedger Fabric?

I have been reading the documentation on how HyperLedger Fabric's project is implementing a open source BlockChain ... the BlockChain network. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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