Blockchain General

Airdrop

A distribution of tokens to wallet addresses, typically as a reward for early usage, community participation, or ecosystem contribution. Notable Solana airdrops include JUP (Jupiter, Jan 2024), BONK, and W (Wormhole). Airdrop eligibility often involves on-chain activity criteria (transaction count, protocol interaction, holding duration). Sybil resistance is a key challenge.

IDairdrop-crypto

Plain meaning

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A distribution of tokens to wallet addresses, typically as a reward for early usage, community participation, or ecosystem contribution. Notable Solana airdrops include JUP (Jupiter, Jan 2024), BONK, and W (Wormhole). Airdrop eligibility often involves on-chain activity criteria (transaction count, protocol interaction, holding duration). Sybil resistance is a key challenge.

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Airdrop (airdrop-crypto)
Category: Blockchain General
Definition: A distribution of tokens to wallet addresses, typically as a reward for early usage, community participation, or ecosystem contribution. Notable Solana airdrops include JUP (Jupiter, Jan 2024), BONK, and W (Wormhole). Airdrop eligibility often involves on-chain activity criteria (transaction count, protocol interaction, holding duration). Sybil resistance is a key challenge.
Related: Governance Token
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Governance Token

A token that grants holders voting power over protocol decisions. Governance tokens enable decentralized control of DeFi protocols, DAOs, and blockchain parameters. Examples on Solana: JUP (Jupiter), MNDE (Marinade), RAY (Raydium). Voting power is typically proportional to token holdings, though some systems use quadratic voting or delegation.

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Blockchain General

Governance Token

A token that grants holders voting power over protocol decisions. Governance tokens enable decentralized control of DeFi protocols, DAOs, and blockchain parameters. Examples on Solana: JUP (Jupiter), MNDE (Marinade), RAY (Raydium). Voting power is typically proportional to token holdings, though some systems use quadratic voting or delegation.

Blockchain General

Based Rollup

A rollup whose transaction sequencing is driven by the Layer 1 base chain's proposers rather than a dedicated centralized sequencer. L1 proposers permissionlessly include rollup blocks as part of L1 blocks, inheriting Ethereum's censorship resistance, liveness, and decentralization. The trade-off is higher latency (constrained by L1 block times), addressed through preconfirmation mechanisms.

Blockchain General

Account Abstraction

A design pattern that replaces the rigid externally-owned account (EOA) model with programmable smart contract wallets capable of custom authentication, gas sponsorship, and batched transactions. ERC-4337 implements this on Ethereum via UserOperations, bundlers, an EntryPoint contract, and paymasters. EIP-7702 (Pectra upgrade, May 2025) extends this by allowing EOAs to delegate to smart contract logic.

Blockchain General

Blockchain

A distributed, append-only ledger that records transactions in cryptographically linked blocks. Each block contains a hash of the previous block, forming an immutable chain. Nodes in the network maintain copies of the ledger and reach agreement through consensus mechanisms. Blockchains enable trustless, decentralized record-keeping without a central authority.

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Blockchain Generalgovernance-token

Governance Token

A token that grants holders voting power over protocol decisions. Governance tokens enable decentralized control of DeFi protocols, DAOs, and blockchain parameters. Examples on Solana: JUP (Jupiter), MNDE (Marinade), RAY (Raydium). Voting power is typically proportional to token holdings, though some systems use quadratic voting or delegation.

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Blockchain General

Blockchain

A distributed, append-only ledger that records transactions in cryptographically linked blocks. Each block contains a hash of the previous block, forming an immutable chain. Nodes in the network maintain copies of the ledger and reach agreement through consensus mechanisms. Blockchains enable trustless, decentralized record-keeping without a central authority.

Blockchain General

Consensus Mechanism

The protocol by which nodes in a distributed network agree on the current state of the ledger. Common mechanisms include Proof of Work (Bitcoin), Proof of Stake (Ethereum, Solana), and BFT variants. Consensus ensures all honest nodes converge on the same transaction history despite potential network delays or malicious actors.

Blockchain General

Proof of Stake (PoS)

A consensus mechanism where validators are selected to produce blocks based on the amount of cryptocurrency they have staked (locked) as collateral. PoS is energy-efficient compared to Proof of Work. Misbehaving validators risk losing their stake (slashing). Solana, Ethereum (post-Merge), Cosmos, and Cardano use PoS variants.

Blockchain General

Proof of Work (PoW)

A consensus mechanism where miners compete to solve computationally expensive puzzles to produce blocks and earn rewards. PoW provides strong security (51% attack resistance) but is energy-intensive. Bitcoin and pre-Merge Ethereum use PoW. The difficulty adjusts to maintain target block times regardless of total network hash power.