Cahiers par blockchain
Ethereum, from wallet to contract
ETH, network fees and token permissions
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Understand the separation between your wallet, Ethereum and applications. Practice reading fees and token permissions before interacting with a contract.
Objectifs pédagogiques
- Separate wallet and network
- Find documented wallet setup
- Budget ETH for fees
- Inspect token identity and allowance
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Lectures reliéesExplorer la Bible de Ethereum →
Programme du cours
Three layers, three different jobs
Distinguish a wallet from the network and its apps.
5 min de lectureCreate an unfunded Ethereum wallet
Follow MetaMask's phrase-based setup.
5 min de lectureLeave room for the network fee
Distinguish the asset being sent from its transaction fee.
5 min de lectureA token approval is a permission
Inspect contract identity and allowance before a swap.
5 min de lecture
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