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web3 in 420

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September 5, 2022

Wallets

This is part 2/2 of a series on wallet and accounts. Wallet is an important yet confusing web3 term. That is because the name refers to multiple concepts depending on context: the wallet client, the passphrase, account manager software, or a public account address. Let’s dig in!

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September 5, 2022

Blockchain Accounts

This is part 1/2 of a series on wallet and accounts. Blockchains introduce new software constructs and paradigms. One difference with the web2 world is how accounts are defined, registered, and controlled. Let's dig in!

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June 15, 2022

Crypto Exchanges & (de)centralization

Blockchains produce tokens, either by mining them or minting them. In order to get people to participate in the network, they need a solution to exchange tokens for money or other tokens: enter exchanges. There are two types: centralized exchanges (CEX) decentralized exchanges (DEX) CEXes Examples: ...

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May 29, 2022

Proof of Stake

Consensus Algorithms Consensus algorithms are used by distributed systems to reach agreement. This class of algorithms has existed since computers moved from single mainframe architecture towards a network-based one. Historically, these algorithms were used in non-adversarial environments (bad node...

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May 13, 2022

Blockchains

Let's explore what a blockchain is in fewer than 420 words.

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May 5, 2022

Introducing web 3 in 420

👋 gmI am @nichochar, a software engineer who has recently started dabbling and building things in web3. As thrilling as it is, learning web3 can quickly get overwhelming. This is a whole new world full of technical and cultural jargon. There is a significant barrier to entry for crypto-curious and ...

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