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Insights, guides, and updates on blockchain infrastructure, RPC performance and building better dApps.

All Guides Infrastructure DeFi Security Pricing
How to Build a DeFi Price Feed Using RPC: eth_call Patterns
DeFi

How to Build a DeFi Price Feed Using RPC: eth_call Patterns

Read real-time token prices from Uniswap, Chainlink and Curve directly via RPC using eth_call. Includes caching strategy, multi-source aggregation and production patterns.

B
BoltRPC Team 8 min read
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How to Read ERC-20 Token Data via RPC: balanceOf, Transfers, and Approvals
ERC-20

How to Read ERC-20 Token Data via RPC: balanceOf, Transfers, and Approvals

Read ERC-20 token balances, allowances, transfer history, and approvals directly via RPC using ethers.js. Covers Multicall3 batching, event indexing, and production patterns.

7 min read
How to Read NFT Data from the Blockchain via RPC
NFT

How to Read NFT Data from the Blockchain via RPC

Read NFT ownership, metadata, and transfer history directly via RPC using ethers.js. Covers ERC-721 and ERC-1155 patterns, tokenURI, batch ownership checks, and event indexing.

8 min read