Posts tagged #zk rollup

2 posts.

September 16, 2026 · 8 min read

Polygon zkEVM RPC: A Developer's Guide

How to connect to Polygon zkEVM via JSON-RPC — the Type 1 prover, equivalence testing, bridge architecture, and what makes it different from every other zkEVM. Includes production setup and fee optimization.

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July 30, 2026 · 5 min read

Starknet RPC: JSON-RPC, but Not EVM Methods

Starknet is a non-EVM validity (ZK) rollup where contracts are Cairo, not Solidity. The RPC is JSON-RPC over HTTP — but it's the starknet_* namespace, not eth_*, so viem/ethers/foundry don't connect. Accounts are contracts (native AA, no EOAs), values are felts, and finality comes from STARK proofs with no challenge window. Here's the developer map, including the eth_* → starknet_* method translation.

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