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

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web3.js vs ethers.js: Which Library Should You Use?
web3.js

web3.js vs ethers.js: Which Library Should You Use?

Compare web3.js and ethers.js for Ethereum development. Covers bundle size, API design, TypeScript support, ethers.js v6 changes, and which to choose for your project.

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BoltRPC Team 7 min read
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RPC API Key Security: Best Practices for Production
RPC

RPC API Key Security: Best Practices for Production

How to protect your blockchain RPC API keys in production. Covers environment variables, backend proxies, IP whitelisting, key rotation and what happens when a key is compromised.

8 min read
The Graph vs Direct RPC: When to Use Each for Blockchain Data
The Graph

The Graph vs Direct RPC: When to Use Each for Blockchain Data

The Graph and direct RPC endpoints solve different problems. This guide explains when to use each, when to use both, and how to decide based on your application's actual data requirements.

9 min read
How to Choose a Blockchain RPC Provider: 7 Factors That Actually Matter
RPC

How to Choose a Blockchain RPC Provider: 7 Factors That Actually Matter

Choosing the wrong RPC provider can break your dApp. Here are the 7 factors that actually matter when evaluating blockchain RPC infrastructure.

8 min read
Multi-Chain RPC: How to Connect Your dApp to Multiple Blockchains
RPC

Multi-Chain RPC: How to Connect Your dApp to Multiple Blockchains

Building on more than one chain? Here's how to manage multi-chain RPC endpoints, avoid common pitfalls, and keep your infrastructure simple as you scale.

8 min read
Polygon RPC Guide: How to Connect and Build on Polygon (2026)
polygon

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

A complete 2026 developer guide to Polygon RPC endpoints. Learn how to connect with ethers.js and Web3.py, use key JSON-RPC methods, fix common issues, choose a reliable provider.

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

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

A complete 2026 developer guide to Solana RPC endpoints. Learn how to connect with @solana/web3.js, use core methods, handle commitment levels, and build reliably on Solana.

13 min read
What is a Smart Contract? A Developer's Guide (2026)
smart contracts

What is a Smart Contract? A Developer's Guide (2026)

A clear, practical guide to smart contracts for developers in 2026: how they work, how they're written, how you interact with them via RPC, and what their real limitations are.

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

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

A technical guide to BNB Chain RPC endpoints for developers. Covers key JSON-RPC methods, ethers.js setup, Web3.py setup, PoSA architecture, common production issues, provider selection.

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

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

A complete 2026 developer guide to Ethereum RPC endpoints. Learn how to connect with ethers.js, Web3.py, and curl, use key JSON-RPC methods, handle EIP-1559 fees, finality tags, fix common production issues.

10 min read
How to Connect to Ethereum with web3.py: RPC Configuration Guide
web3.py

How to Connect to Ethereum with web3.py: RPC Configuration Guide

Connect web3.py to a custom RPC endpoint. Covers HTTP and WebSocket providers, contract reads, event filtering, async support, and production configuration patterns.

6 min read
What is JSON-RPC? A Developer's Guide (2026)
JSON-RPC

What is JSON-RPC? A Developer's Guide (2026)

JSON-RPC explained for blockchain developers. How it works, real code examples, common Ethereum methods, error handling, and why every Web3 app depends on it.

11 min read