João Paulo Morais – Medium

João Paulo Morais

João Paulo Morais

Learn Ethereum in 2024. #15. Wallets.

In the blockchain field, beginners often confuse accounts with wallets. As we’ve discussed, an account consists of a pair of keys and is…

6 min readApr 27, 2024

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Learn Ethereum in 2024. #15. Wallets.

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João Paulo Morais

Learn Ethereum in 2024. #14. Accounts.

To discuss Ethereum accounts, let’s first recall the concept of the Ethereum state. Defining the Ethereum state precisely isn’t…

5 min readApr 14, 2024

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Learn Ethereum in 2024. #14. Accounts.

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João Paulo Morais

Learn Ethereum in 2024. #13. Digital signature in Ethers.

In the last article, we explored how to generate the hash of a message of arbitrary size using the keccak256 function in ethers, as well as…

6 min readApr 8, 2024

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Learn Ethereum in 2024. #13. Digital signature in Ethers.

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João Paulo Morais

Learn Ethereum in 2024. #12. Hash in ethers.js.

In the previous two articles, we delved into the theoretical aspects of hash functions and asymmetric encryption. Now, it’s time to put…

8 min readApr 6, 2024

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Learn Ethereum in 2024. #12. Hash in ethers.js.

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João Paulo Morais

Learn Ethereum in 2024. #11. Public-Key Cryptography.

Public key cryptography, also known as asymmetric cryptography, encompasses cryptographic primitives used for various purposes, including…

7 min readApr 3, 2024

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Learn Ethereum in 2024. #11. Public-Key Cryptography.

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João Paulo Morais

Learn Ethereum in 2024. #10. Hash functions and Ethereum.

Many still have the idea that encryption is limited to encrypting texts that can only be deciphered using a secret key. In fact…

7 min readMar 26, 2024

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Learn Ethereum in 2024. #10. Hash functions and Ethereum.

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João Paulo Morais

Learn Ethereum in 2024. #9. Types of Ethereum nodes.

Participants in the Ethereum network are commonly referred to as nodes. To operate as a node, two essential pieces of software are…

6 min readMar 23, 2024

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Learn Ethereum in 2024. #9. Types of Ethereum nodes.

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João Paulo Morais

Learn Ethereum in 2024. #8. Forks and finality.

Ethereum’s ledger consists of a chain of blocks, structured by the inclusion of the hash of the preceding block in the header of the…

8 min readMar 18, 2024

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Learn Ethereum in 2024. #8. Forks and finality.

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João Paulo Morais

Learn Ethereum in 2024. #7. A transaction-based state machine.

Ethereum functions as a transaction-based state machine. To grasp this concept, it’s essential to understand what constitutes the ‘state’…

7 min readMar 16, 2024

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Learn Ethereum in 2024. #7. A transaction-based state machine.

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João Paulo Morais

Learn Ethereum in 2024. #6. Ether and the cryptocurrencies.

The first blockchain in the modern sense, Bitcoin, was created with the primary objective of facilitating a decentralized digital currency…

6 min readMar 12, 2024

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Learn Ethereum in 2024. #6. Ether and the cryptocurrencies.

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João Paulo Morais

João Paulo Morais

Astrophysicist, full-stack developer, blockchain enthusiast. Unraveling cosmos mysteries by day, crafting the next Latin American novel by night.

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