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Emanuel Ferreira

Software Engineer at Popstand Blockchain & Crypto enthusiast Contact: contatoferreirads@gmail.com Twitter: https://twitter.com/manelferreira_

Location Espirito Santo - Brasil Joined Joined on  Email address contatoferreirads@gmail.com github website twitter website

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Popstand

How I built a Bitcoin indexer using ZeroMQ
emanuelferreira profile

How I built a Bitcoin indexer using ZeroMQ

#blockchain #backend
6
Comments
2 min read

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Should I use database index or not?
emanuelferreira profile

Should I use database index or not?

#database #architecture #performance
55
Comments 7
2 min read
How to create a smart contract to whitelist users
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How to create a smart contract to whitelist users

#solidity #blockchain #web3 #smartcontract
34
Comments 6
3 min read
How to mint 10000 NFTs on Opensea
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How to mint 10000 NFTs on Opensea

#blockhain #web3 #nft #script
53
Comments 32
5 min read
How to mint an NFT via CLI
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How to mint an NFT via CLI

#blockchain #solidity #script #web3
45
Comments 1
5 min read
How to deploy a Smart Contract to the Testnet
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How to deploy a Smart Contract to the Testnet

#blockchain #solidity #web3 #smartcontract
31
Comments 12
2 min read
How to create a Smart Contract to mint an NFT
emanuelferreira profile

How to create a Smart Contract to mint an NFT

#blockchain #solidity #web3 #smartcontract
61
Comments 2
5 min read
How to create a smart contract to receive payments
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How to create a smart contract to receive payments

#solidity #ethereum #blockchain #beginners
58
Comments 15
3 min read
MongoDB updateOne() , updateMany() e seus operadores
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MongoDB updateOne() , updateMany() e seus operadores

#braziliandevs #node #mongodb #database
8
Comments 2
3 min read
MongoDB, find() e findOne()
emanuelferreira profile

MongoDB, find() e findOne()

#mongodb #nosql #node #braziliandevs
13
Comments 3
2 min read
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