A blockchain client that verifies a moderate amount of cluster data to confirm transaction validity without replaying the full ledger or maintaining complete account state. Light clients download block headers and use Merkle proofs or validator attestations to verify specific transactions or account states, trading full trustlessness for dramatically reduced resource requirements.
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A blockchain client that verifies a moderate amount of cluster data to confirm transaction validity without replaying the full ledger or maintaining complete account state. Light clients download block headers and use Merkle proofs or validator attestations to verify specific transactions or account states, trading full trustlessness for dramatically reduced resource requirements.
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Clusters, nodes, MEV actors, routing, and operating environments.
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Light Client (light-client) Category: Network Definition: A blockchain client that verifies a moderate amount of cluster data to confirm transaction validity without replaying the full ledger or maintaining complete account state. Light clients download block headers and use Merkle proofs or validator attestations to verify specific transactions or account states, trading full trustlessness for dramatically reduced resource requirements. Related: Thin Client, Validator, Node
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A blockchain client that trusts the cluster's communication without independently verifying transaction validity, relying on RPC responses from validators for all state queries. Thin clients are the simplest integration method — most dApp frontends and wallet interfaces operate as thin clients by trusting their configured RPC provider to return accurate data.
A node that participates in the Solana network by validating transactions, voting on blocks, and (when selected as leader) producing new blocks. Validators run the Agave, Firedancer, or Jito client software, require significant hardware (128+ GB RAM, high-core CPU, NVMe SSD), and earn rewards from inflation and transaction fees.
A computer running blockchain client software that maintains a copy of the ledger and participates in the network. Node types: full node (validates all transactions, stores full state), archive node (stores complete history), light node (verifies headers only). On Solana, validator nodes require high-end hardware (256+ GB RAM for RPC nodes).
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A blockchain client that trusts the cluster's communication without independently verifying transaction validity, relying on RPC responses from validators for all state queries. Thin clients are the simplest integration method — most dApp frontends and wallet interfaces operate as thin clients by trusting their configured RPC provider to return accurate data.
A client library that sends transactions directly to the current leader validator's Transaction Processing Unit (TPU) port over QUIC, bypassing the standard RPC sendTransaction relay for lower latency and higher landing probability. The Solana SDK's TpuClient resolves the current leader from the leader schedule, establishes a QUIC connection, and forwards signed transactions directly. This approach is used by MEV searchers, high-frequency traders, and latency-sensitive applications that need the fastest possible path to block inclusion.
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A blockchain client that trusts the cluster's communication without independently verifying transaction validity, relying on RPC responses from validators for all state queries. Thin clients are the simplest integration method — most dApp frontends and wallet interfaces operate as thin clients by trusting their configured RPC provider to return accurate data.
A node that participates in the Solana network by validating transactions, voting on blocks, and (when selected as leader) producing new blocks. Validators run the Agave, Firedancer, or Jito client software, require significant hardware (128+ GB RAM, high-core CPU, NVMe SSD), and earn rewards from inflation and transaction fees.
A computer running blockchain client software that maintains a copy of the ledger and participates in the network. Node types: full node (validates all transactions, stores full state), archive node (stores complete history), light node (verifies headers only). On Solana, validator nodes require high-end hardware (256+ GB RAM for RPC nodes).
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Solana's primary production cluster where real SOL and real economic activity occur; the "beta" designation reflects the network's ongoing protocol development despite being fully live since March 2020. It uses the same architecture as other clusters but with real validator stakes, live staking rewards, and permanent on-chain state. All production dApps, tokens, and NFTs exist on Mainnet Beta.
A persistent public Solana cluster intended for application development and testing, running the same software version as Mainnet Beta but with no real economic value. Devnet SOL can be freely airdropped via the CLI or faucet APIs, and the ledger may be reset periodically by Solana Labs. Developers use Devnet to test programs and integrations before deploying to Mainnet Beta.
A public Solana cluster used primarily by the Solana core team and validators to test new software releases, performance benchmarks, and network upgrades under real network conditions before they reach Mainnet Beta. Testnet SOL has no monetary value, and the ledger is reset more frequently than Devnet; it is less suitable for application development and more suited for validator operators validating their infrastructure.
The rate at which a Solana cluster processes and commits transactions; Solana's theoretical maximum exceeds 65,000 TPS due to its parallel execution model, though real-world sustained throughput on Mainnet Beta typically ranges from 2,000–5,000 non-vote TPS under normal load. Vote transactions (used for consensus) make up a significant portion of all on-chain activity and are counted separately. High TPS is enabled by Proof of History timestamps, Sealevel parallel execution, and Gulf Stream mempool-less forwarding.