Resources

Glossary

All things DeFi and dev in plain English. Our glossary breaks down complex terms and concepts into relatable language, making it easier for you to grasp the essentials of decentralized finance.
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EIPs/ERCs

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EIPs/ERCs

ERC-20
ERC-721
Mempool
Consensus Algorithm
Cryptocurrency
Ethereum Virtual Machine (EVM)
Opcodes
Node
Blockchain
Governance Attack
Reentrancy
Write to Any Slot (Solidity Code Example)
Upgradeable Proxy (Solidity Code Example)
Unidirectional Payment Channel (Solidity Code Example)
Time Lock (Solidity Code Example)
Simple Bytecode Contract (Solidity Code Example)
Precompute Contract Address with Create2 (Solidity Code Example)
Multisig Wallet (Solidity Code Example)
Multi Delegatecall (Solidity Code Example)
Multi Call (Solidity Code Example)
Minimal Proxy Contract (Solidity Code Example)
Merkle Tree (Solidity Code Example)
Merkle Airdrop (Solidity Code Example)
Iterable Mapping (Solidity Code Example)
Gasless Token Transfer (Solidity Code Example)
Ether Wallet (Solidity Code Example)
ERC-1155 (Solidity Code Example)
ERC-721 (Solidity Code Example)
ERC-20 (Solidity Code Example)
English Auction (Solidity Code Example)
Dutch Auction (Solidity Code Example)
Deploy Any Contract (Solidity Code Example)
Crowd Fund (Solidity Code Example)
Bi-Directional Payment Channel (Solidity Code Example)
Assembly Binary Exponentiation (Solidity Code Example)
Immutable
Cryptographic Verification
Visibility (Solidity Code Example)
View and Pure Functions (Solidity Code Example)
Verifying Signature (Solidity Code Example)
Variables (Solidity Code Example)
User Defined Value Types (Solidity Code Example)
Unchecked Math (Solidity Code Example)
Try / Catch (Solidity Code Example)
Transient Storage (Solidity Code Example)
Structs (Solidity Code Example)
Shadowing Inherited State Variables (Solidity Code Example)
Sending Ether: Transfer, Send, Call (Solidity Code Example)
Reading and Writing to a State Variable (Solidity Code Example)
Primitive Data Types (Solidity Code Example)
Payable (Solidity Code Example)
Mapping (Solidity Code Example)
Library (Solidity Code Example)
Interface (Solidity Code Example)
Inheritance (Solidity Code Example)
Import (Solidity Code Example)
Immutable (Solidity Code Example)
If / Else (Solidity Code Example)
Hashing with Keccak256 (Solidity Code Example)
Gas Saving Techniques (Solidity Code Example)
Gas and Gas Price (Solidity Code Example)
Function Selector (Solidity Code Example)
Function Modifier (Solidity Code Example)
Function (Solidity Code Example)
For and While Loop (Solidity Code Example)
Fallback (Solidity Code Example)
Events Advanced (Solidity Code Example)
Events (Solidity Code Example)
Ether and Wei (Solidity Code Example)
Error (Solidity Code Example)
Enum (Solidity Code Example)
Delegatecall (Solidity Code Example)
Data Locations - Storage, Memory and Calldata (Solidity Code Example)
Contract that Creates other Contracts (Solidity Code Example)
Constructor (Solidity Code Example)
Constants (Solidity Code Example)
Calling Parent Contracts (Solidity Code Example)
Calling Other Contract (Solidity Code Example)
Call (Solidity Code Example)
Bitwise Operators (Solidity Code Example)
Assembly Variable (Solidity Code Example)
Assembly Math (Solidity Code Example)
Assembly Loop (Solidity Code Example)
Assembly Error (Solidity Code Example)
Assembly Conditional Statements (Solidity Code Example)
Array (Solidity Code Example)
ABI Encode (Solidity Code Example)
ABI Decode (Solidity Code Example)
Flash Loan
State
Invariant Test
Reentrancy Attack
Smart Contract
VSCode
Structs
Static Analysis
Solidity Function
nSLOC
Keccak256
Invariant
ABI Decode (Solidity Code Example)
ABI Encode (Solidity Code Example)
AMM
Array (Solidity Code Example)
Arrays
Assembly Binary Exponentiation (Solidity Code Example)
Assembly Conditional Statements (Solidity Code Example)
Assembly Error (Solidity Code Example)
Assembly Loop (Solidity Code Example)
Assembly Math (Solidity Code Example)
Assembly Variable (Solidity Code Example)
Bi-Directional Payment Channel (Solidity Code Example)
Bitwise Operators (Solidity Code Example)
Blockchain
Call (Solidity Code Example)
Calling Other Contract (Solidity Code Example)
Calling Parent Contracts (Solidity Code Example)
Consensus Algorithm
Constants (Solidity Code Example)
Constructor (Solidity Code Example)
Contract that Creates other Contracts (Solidity Code Example)
Crowd Fund (Solidity Code Example)
Cryptocurrency
Cryptographic Verification
Data Locations - Storage, Memory and Calldata (Solidity Code Example)
Delegatecall (Solidity Code Example)
Deploy Any Contract (Solidity Code Example)
Dutch Auction (Solidity Code Example)
ERC-1155 (Solidity Code Example)
ERC-20
ERC-20 (Solidity Code Example)
ERC-721
ERC-721 (Solidity Code Example)
English Auction (Solidity Code Example)
Enum (Solidity Code Example)
Error (Solidity Code Example)
Ether Wallet (Solidity Code Example)
Ether and Wei (Solidity Code Example)
Ethereum Virtual Machine (EVM)
Events (Solidity Code Example)
Events Advanced (Solidity Code Example)
Fallback (Solidity Code Example)
Flash Loan
For and While Loop (Solidity Code Example)
Function (Solidity Code Example)
Function Modifier (Solidity Code Example)
Function Selector (Solidity Code Example)
Fuzz Testing
Gas Saving Techniques (Solidity Code Example)
Gas and Gas Price (Solidity Code Example)
Gasless Token Transfer (Solidity Code Example)
Governance Attack
Hash
Hash Function
Hashing with Keccak256 (Solidity Code Example)
If / Else (Solidity Code Example)
Immutable
Immutable (Solidity Code Example)
Import (Solidity Code Example)
Inheritance (Solidity Code Example)
Interface (Solidity Code Example)
Invariant
Invariant Test
Iterable Mapping (Solidity Code Example)
Keccak256
Library (Solidity Code Example)
Mapping (Solidity Code Example)
Mempool
Merkle Airdrop (Solidity Code Example)
Merkle Tree (Solidity Code Example)
Minimal Proxy Contract (Solidity Code Example)
Multi Call (Solidity Code Example)
Multi Delegatecall (Solidity Code Example)
Multisig Wallet (Solidity Code Example)
Node
Opcodes
Payable (Solidity Code Example)
Precompute Contract Address with Create2 (Solidity Code Example)
Primitive Data Types (Solidity Code Example)
Reading and Writing to a State Variable (Solidity Code Example)
Reentrancy
Reentrancy Attack
Sending Ether: Transfer, Send, Call (Solidity Code Example)
Shadowing Inherited State Variables (Solidity Code Example)
Simple Bytecode Contract (Solidity Code Example)
Smart Contract
Solidity Function
State
Static Analysis
Structs
Structs (Solidity Code Example)
Time Lock (Solidity Code Example)
Transient Storage (Solidity Code Example)
Try / Catch (Solidity Code Example)
Unchecked Math (Solidity Code Example)
Unidirectional Payment Channel (Solidity Code Example)
Upgradeable Proxy (Solidity Code Example)
User Defined Value Types (Solidity Code Example)
VSCode
Variables (Solidity Code Example)