Network & Protocol Guides
Reading Solana Accounts: getAccountInfo, Rent Exemption, and Token Balances
Learn how Solana account data, rent, and SPL token balances work, and which RPC method to use for each read.
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147Latest articles
Network & Protocol Guides
Reading Sui Objects Over RPC: getObject, Dynamic Fields, and Pagination
Learn how to read Sui objects via JSON-RPC: getObject, multiGetObjects, dynamic fields, owned objects, and cursor pagination.
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Ethereum eth_subscribe: Logs and Head Subscriptions vs Polling Filters
Learn Ethereum's eth_subscribe push model: newHeads, logs, lifecycle, reconnect handling, and when to poll instead.
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Tracking Base Cross-Chain Events: Deposit Logs and Withdrawal Proofs
Learn to parse L1->L2 deposit logs and L2->L1 withdrawal proofs on Base using RPC, with runnable examples and troubleshooting.
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Hyperliquid Oracle Prices and the Builder Auction: Reading Market State
Learn how Hyperliquid derives oracle prices and how the builder/data-availability auction selects block producers, then read that state via the info API.
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Reading Bittensor Metagraph State: Weights, Emissions, and Dividends from a Subtensor Node
Learn how to read the Bittensor metagraph from a subtensor node: weights, consensus, emissions, dividends, and reproducible verification methods.
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Ethereum eth_getLogs: Filtering Event Logs by Address and Topics
Learn how eth_getLogs topic filters work, how to query ERC-20 Transfer events efficiently, and how to avoid common pitfalls.
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Reading the Ethereum Mempool: The txpool Namespace and Pending Transactions
Learn how the Ethereum mempool works, how to inspect it with txpool_* RPC methods, and why hosted providers rarely expose it.
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Estimating Gas Price with eth_feeHistory: Base Fee and Priority Fee Percentiles
Learn to read eth_feeHistory and build a robust EIP-1559 gas estimator using base fee and priority fee percentiles.
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Solana Blockhash Expiry and Durable Nonces: Safe Offline Signing
Why Solana transactions expire via lastValidBlockHeight, and how durable nonces enable safe offline signing.
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