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Field notes on blockchain infrastructure.

Deep-dives, guides and release notes from the team building BoltRPC.

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Arbitrum RPC Guide: How to Connect and Build on Arbitrum (2026)
featured Arbitrum

Arbitrum RPC Guide: How to Connect and Build on Arbitrum (2026)

A technical guide to Arbitrum RPC endpoints for developers in 2026. Covers HTTP vs WebSocket, Arbitrum-specific methods, ethers.js setup, common issues, how to choose a reliable provider.

· 13 min read · BoltRPC Team
More posts 6
X Layer RPC Guide: Endpoints, Methods, Code Examples 2026
XLayer

X Layer RPC Guide: Endpoints, Methods, Code Examples 2026

Complete X Layer RPC guide covering public endpoints, ethers.js, Web3.py, curl examples, OKX zkEVM architecture, ZK proof finality, production patterns.

11 min read
Base RPC Guide: How to Connect and Build on Base (2026)
Base

Base RPC Guide: How to Connect and Build on Base (2026)

Learn how to connect to Base RPC, use OP Stack methods, handle production issues, choose the right provider for your dApp or backend.

10 min read
Linea RPC Guide: How to Connect and Build on Linea (2026)
Linea

Linea RPC Guide: How to Connect and Build on Linea (2026)

A technical guide to Linea RPC endpoints for developers in 2026. Covers Linea's ZK-EVM architecture, key JSON-RPC methods, ethers.js and Web3.py setup, public endpoints, common production issues, plus how to choose a reliable provider.

10 min read
Optimism RPC Guide: How to Connect and Build on Optimism (2026)
Optimism

Optimism RPC Guide: How to Connect and Build on Optimism (2026)

A technical guide to Optimism RPC endpoints for developers in 2026. Covers OP Stack methods, HTTP vs WebSocket, ethers.js setup, L1/L2 messaging, Bedrock finality, common production issues.

11 min read
Scroll RPC Guide: Connect and Build on Scroll
Scroll

Scroll RPC Guide: Connect and Build on Scroll

Connect to Scroll RPC endpoints with ethers.js, Web3.py, curl. Covers ZK-EVM type 1 architecture, finality stages, L1 data fees, common production issues.

9 min read
zkSync Era RPC Guide: How to Connect and Build on zkSync (2026)
zkSync

zkSync Era RPC Guide: How to Connect and Build on zkSync (2026)

A technical guide to zkSync Era RPC endpoints for developers in 2026. Covers ZK rollup mechanics, zks_ methods, ethers.js and Web3.py setup, account abstraction, Paymaster patterns, common issues, how to choose a provider.

12 min read