| EC-001 | CB Insights lists Optimism at $1.65B, joined 2022-03-17, United States/New York, Enterprise Tech, with investors Paradigm, Huobi Ventures and Andreessen Horowitz. | verified high | SRC-001 |
| EC-002 | Optimism announced a $150M Series B at a $1.65B valuation co-led by a16z and Paradigm. | verified high | SRC-002SRC-003 |
| EC-003 | Optimism raised a $25M Series A led by a16z in 2021. | verified high | SRC-004SRC-005 |
| EC-004 | Optimism/Plasma Group reported a $3.5M seed financing led by Paradigm and IDEO CoLab Ventures. | partially verified medium | SRC-006 |
| EC-005 | OP Stack is a standardized, shared, open-source development stack maintained by the Optimism Collective. | verified high | SRC-011 |
| EC-006 | The public Optimism monorepo showed about 6,428 stars, 3,959 forks, 958 open issues, Go primary language and push activity on 2026-05-18. | verified high | SRC-007 |
| EC-007 | The Optimism monorepo is MIT licensed. | verified high | SRC-008 |
| EC-008 | Superchain Registry describes itself as source of truth; chainList contained 60 entries and about 35 non-obvious-testnet entries during research. | verified high | SRC-015SRC-016 |
| EC-009 | L2Beat identifies OP Mainnet as an EVM-equivalent Optimistic Rollup using OP Stack with OP token association. | verified high | SRC-017 |
| EC-010 | L2Beat highlights SuperchainProxyAdmin upgrade controls involving Optimism Foundation and Security Council multisig arrangements. | verified high | SRC-017 |
| EC-011 | Fault proofs activated on OP Mainnet on 2024-06-10, while Guardian/Security Council backstops remain. | verified high | SRC-013SRC-017 |
| EC-012 | Optimism maintains a public security policy and bounty program with maximum payout up to $2,000,042. | verified high | SRC-010SRC-025 |
| EC-013 | Optimism maintains public security-review and audit documentation. | verified medium | SRC-014 |
| EC-014 | The 2026-05-12 kona-host/v1.5.1 release included a critical security fix and important bug fixes. | verified high | SRC-009 |
| EC-015 | Optimism governance includes Token House token-weighted voting and Citizens House one-member-one-vote Retro Funding governance. | verified high | SRC-018SRC-019 |
| EC-016 | OP allocation docs disclose 4,294,967,296 initial supply and buckets: Ecosystem 25%, RetroPGF 20%, airdrops 19%, core contributors 19%, investors 17%. | verified high | SRC-020 |
| EC-017 | Retro Funding docs report Round 1 $1M/58 projects, Round 2 10M OP/195 projects, and Round 3 30M OP/501 projects. | verified high | SRC-021 |
| EC-018 | Superchain member chains pay the greater of 15% net transaction-fee profit or 2.5% gross transaction fees; OP Mainnet contributes 100% net transaction-fee profit. | verified high | SRC-022 |
| EC-019 | Audited financials, projections, cap table, customer revenue, headcount, compensation and contracts were not public in the reviewed source set. | not publicly verifiable medium | SRC-001SRC-002SRC-007SRC-020SRC-022 |
| EC-020 | A 2022 Optimism/Wintermute public incident involved 20M OP tokens. | verified medium | SRC-023 |
| EC-021 | A 2022 saurik writeup disclosed a critical Optimism vulnerability; bounty sources show high-value vulnerability handling. | verified medium | SRC-024SRC-025 |
| EC-022 | OP Stack standards include Ethereum parent/data availability, ETH gas token, EVM equivalence and upgrades via OP Governance. | verified high | SRC-012 |
| EC-023 | Optimism docs describe Superchain interoperability concepts and safety states, requiring production-readiness review. | partially verified medium | SRC-026 |
| EC-024 | Public funding and company sources associate Jinglan Wang, Karl Floersch, Kevin Ho and Ben Jones with Optimism/OP Labs founding history. | partially verified medium | SRC-003SRC-004SRC-005 |
| EC-025 | Optimism competes across optimistic rollups, zk-rollups, OP Stack/Superchain ecosystems, appchain/modular stacks and alternative L1s. | verified medium | SRC-017 |
| EC-026 | Optimism README states the OP Stack powers OP Mainnet and Base. | verified high | SRC-007 |
| EC-027 | No major lawsuit or enforcement action was identified in reviewed public sources, but no docket-level legal search was performed. | inconclusive low | SRC-001SRC-003SRC-007SRC-017SRC-023SRC-024 |
| EC-028 | Public terms, privacy, commercial contracts, employment documents, insurance, permits and legal data were not reviewed in full. | not publicly verifiable medium | SRC-007SRC-010SRC-020 |
| EC-029 | OP token docs report multiple airdrops with disclosed OP amounts and recipient address counts. | verified high | SRC-020 |