# OP Mainnet

## One line

Optimism is a blockchain platform that provides managed infrastructure for exchanges, fintechs, and financial institutions.

## What we do

OP Mainnet offers the OP Stack, a modular blockchain protocol that powers 50+ chains, and OP Enterprise, a fully managed deployment of that stack configured to each customer's compliance, performance, and permissioning requirements. Customers include centralized exchanges, payment networks, and regulated fintechs. It handles operations, security, and upgrades, and can deploy a production chain in under six weeks.

## Find us

- Website: https://optimism.io
- X: https://x.com/Optimism

## Recent updates

- seen: 2026-09-20 — Mitsui & Co. Digital Commodities launched Zipangcoin on OP Mainnet. · https://optimism.io/blog
- seen: 2026-09-20 — Upbit, Korea's largest exchange, announced a planned partnership with the Optimism Foundation on GIWA Chain. · https://optimism.io/blog
- seen: 2026-09-20 — Toss, used by two-thirds of South Korea for money, is exploring putting the Won onchain. · https://optimism.io/blog
- seen: 2026-09-20 — DB Securities signed an MOU to build STO and RWA infrastructure for Jeju on the OP Stack. · https://optimism.io/op-stack
- seen: 2026-09-20 — ether.fi upgraded to Aave V4 on OP Mainnet after outgrowing its own lending engine. · https://optimism.io/blog
- seen: 2026-09-20 — 100k cards are running on OP Mainnet. · https://optimism.io/
- seen: 2026-09-20 — OP Stack now powers one stack across 50+ chains. · https://optimism.io/
- seen: 2026-09-20 — Celo runs a mobile payments network for sending digital dollars worldwide. · https://optimism.io/payments
- seen: 2026-09-20 — Bitpanda is building Vision, a chain designed for regulated finance in Europe. · https://optimism.io/
- seen: 2026-09-20 — Kraken built Ink, a chain for fast, low-cost trading and DeFi. · https://optimism.io/
- 2026-09-20 — TVL $465M · https://defillama.com/chain/OP-Mainnet

## Last updated

last_checked: 2026-09-20 (optimism.io)

state: unclaimed

confirmed: no (drafted from the company's own public sources)

verified: no

Source: https://sindo.io/c/optimism