BlockchainIntermediate#Tech#Infrastructure
EVM (Ethereum Virtual Machine)
E
Definition
Ethereum's execution environment: a deterministic virtual machine that executes smart-contract bytecode as part of Ethereum state transitions. EVM compatibility does not make contracts, addresses, assets, or deployments interchangeable across networks.
Source reviewed
- Ethereum.org: Ethereum Virtual Machine opens in a new tab
Supports: Explains deterministic EVM execution, state transitions, bytecode, transactions, gas, storage, opcodes, and EVM implementations.
- Ethereum.org: Introduction to smart contracts opens in a new tab
Supports: Explains smart contracts as code executed on Ethereum and the role of transactions and contract accounts.
Concept Diagram
Key Takeaways
1
The EVM executes smart-contract bytecode as part of Ethereum's deterministic state transitions
2
Gas measures computational work and bounds execution under protocol rules
3
EVM-like compatibility does not make deployments, addresses, assets, or chain rules identical
4
Deterministic execution does not prove contract correctness, safety, or economic value
Practical Example
A team deploys a contract to two EVM-compatible networks. Before publishing either address, it verifies the compiled bytecode, constructor settings, owner and upgrade roles, token addresses, gas assumptions, and frontend network selection separately on each chain. A matching codebase does not make the two deployments one shared contract.
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Related Terms
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dApp (Decentralized Application)An application that combines a user interface with smart contracts or other decentralized-network components. Its interface, data services, wallet connection, and operations may still have centralized dependencies.
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ERC-20An Ethereum token-interface standard for fungible token contracts. It specifies common methods and events, but it does not certify a token, its issuer, its economics, or its safety.
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Layer 2 (L2)A protocol layer that executes transactions outside an L1 while using that L1 for some combination of data availability, proofs, dispute resolution, or settlement. Fees, finality, bridges, and withdrawal paths depend on the specific L2 design.
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Smart ContractA program and its state deployed at a blockchain address, which runs its defined functions when transactions call it.
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