OptimismOP

Bitcoin OP_RETURN usage surges toward 700K codes as data-embedding protocols reshape the network

Bitcoin OP_RETURN outputs near 700K as Runes protocol and Bitcoin Core v30 drive data-embedding transactions to record levels amid low fees. The post Bitcoin OP_RETURN usage surges toward 700K codes as data-embedding protocols reshape the network appeared first on Crypto Briefing .

Sep 10, 2026 · byCryptoBriefing

Blockstream Hackers Demand 10% Bounty, Threaten 15% Holder Loss

Blockstream’s standoff with the self-described white hats behind the Liquid Network exploit kicked into high gear Wednesday after the group demanded a 10% bug bounty and threatened further losses for holders. White Hats Come Out Swinging With 10% Demand The latest message appeared on the Bitcoin blockchain through OP_RETURN, a feature that lets users attach […]

Sep 9, 2026 · byBitcoin.com News

Liquid Network drained of $320 million as cache bug lets attacker mint unbacked Bitcoin

A range-proof cache bug in the Elements codebase let an unknown actor mint unbacked L-BTC, drain 95% of the federation reserve through SideSwap, then negotiate its return on-chain via OP_RETURN messages. The network remains frozen, 598.5 BTC sits in the…

Sep 8, 2026 · byCrypto.news

NFIB Business Optimism Index falls to 98.7 as small business confidence slips below forecast

A decline in small business optimism could signal potential economic slowdown, affecting hiring, investment, and broader market confidence. The post NFIB Business Optimism Index falls to 98.7 as small business confidence slips below forecast appeared first on Crypto Briefing .

Sep 8, 2026 · byCryptoBriefing

Cozy Finance Exploit Drains $170,000 From DeFi Insurer for a 2nd Time

A Cozy Finance exploit drained $170,000 on Optimism. The DeFi insurer already lost $427,000 to a 2025 attack. The post Cozy Finance Exploit Drains $170,000 From DeFi Insurer for a 2nd Time appeared first on BeInCrypto .

Sep 7, 2026 · byBeInCrypto

Scan reveals 96,000 fake-address outputs clogging Bitcoin’s unspent database

Bitquery’s scan shows why cheap OP_RETURN repetition and fake-address text impose radically different costs on Bitcoin nodes. The post Scan reveals 96,000 fake-address outputs clogging Bitcoin’s unspent database appeared first on CryptoSlate .

Sep 4, 2026 · byCryptoSlate

Optimism pushes network speeds to 200 ms, but standard data feeds are dropping key information

The Aug. 31 target keeps the stream parseable while forcing direct consumers and forwarding RPC providers to audit placeholder values. The post Optimism pushes network speeds to 200 ms, but standard data feeds are dropping key information appeared first on CryptoSlate .

Sep 1, 2026 · byCryptoSlate

Glassnode adds Ink, OP Mainnet, and ZKsync Era to its latency monitoring map

Glassnode's expanded latency monitoring enhances traders' strategic positioning, highlighting the growing importance of infrastructure proximity in Layer 2 networks. The post Glassnode adds Ink, OP Mainnet, and ZKsync Era to its latency monitoring map appeared first on Crypto Briefing .

Sep 1, 2026 · byCryptoBriefing

Fed Study Shows Crypto Investors Driven by Extreme Optimism – Unlike Stock, Bond or Gold Holders

A Cleveland Fed working paper finds US crypto holders are young, male, and libertarian-leaning, expecting far higher returns than non-holders, with price info boosting their actual purchases. The post Fed Study Shows Crypto Investors Driven by Extreme Optimism – Unlike Stock, Bond or Gold Holders appeared first on The Daily Hodl .

Aug 24, 2026 · byThe Daily Hodl

Optimism Redirects $49.7 Million Airdrop Reserve After Late Deciding Vote

Test in Prod, a core development team that says it is fully funded by the Optimism Collective, supplied the 8.486 million OP vote that secured approval.

Aug 20, 2026 · byThe Defiant

Optimism moves 546.9M OP from future airdrops to ecosystem growth fund

The governance vote redirects tokens previously reserved for user airdrops toward partnerships, incentives and Optimism’s growing institutional push.

Aug 20, 2026 · byCointelegraph

Optimism-funded team’s deciding vote shifts $49M in OP tokens away from users

The shift in OP token allocation highlights governance challenges and potential centralization, impacting community trust and future protocol dynamics. The post Optimism-funded team’s deciding vote shifts $49M in OP tokens away from users appeared first on Crypto Briefing .

Aug 20, 2026 · byCryptoBriefing

Optimism-funded team's deciding vote shifts $49 million in OP tokens away from users

Aug 20, 2026 · byCoinDesk

Coinbase ends support for DAI on Avalanche, Arbitrum, and Optimism networks

Coinbase's network support reduction may drive users to seek alternative platforms, impacting DAI's accessibility and Layer 2 network growth. The post Coinbase ends support for DAI on Avalanche, Arbitrum, and Optimism networks appeared first on Crypto Briefing .

Aug 12, 2026 · byCryptoBriefing

Optimism’s OP Mainnet posts 3x transaction growth since early 2024

The surge in OP Mainnet transactions highlights the growing importance of scalable, cost-effective blockchain solutions in driving mainstream adoption. The post Optimism’s OP Mainnet posts 3x transaction growth since early 2024 appeared first on Crypto Briefing .

Aug 11, 2026 · byCryptoBriefing

US NFIB Business Optimism Index rises to 99.8, beating forecasts and its own historical average

Rising optimism among US small businesses could signal potential economic resilience, but sustainability remains uncertain amid fluctuating forecasts. The post US NFIB Business Optimism Index rises to 99.8, beating forecasts and its own historical average appeared first on Crypto Briefing .

Aug 11, 2026 · byCryptoBriefing

Optimism Won’t Commit to OP Buyback Beyond 12 Months as Purchases Fall 87%

Optimism told BeInCrypto it will review its OP buyback after 12 months, as monthly purchases fell 87%. The post Optimism Won’t Commit to OP Buyback Beyond 12 Months as Purchases Fall 87% appeared first on BeInCrypto .

Aug 10, 2026 · byBeInCrypto

Optimism Year 5 Outlook Raises 5 Red Flags for OP Holders

Optimism projects 343 million OP entering circulation in Year 5 while buybacks absorb one token in every 38. The post Optimism Year 5 Outlook Raises 5 Red Flags for OP Holders appeared first on BeInCrypto .

Aug 6, 2026 · byBeInCrypto

Arkham integrates OP_RETURN feature for Bitcoin transaction pages

Arkham's OP_RETURN feature enhances blockchain transparency, potentially aiding forensic investigations and altering crypto analytics dynamics. The post Arkham integrates OP_RETURN feature for Bitcoin transaction pages appeared first on Crypto Briefing .

Aug 6, 2026 · byCryptoBriefing

Optimism seeks to repurpose unused airdrop tokens for strategic ecosystem growth

The influx of OP tokens could impact market dynamics, potentially affecting token value and investor strategies amid evolving supply conditions. The post Optimism seeks to repurpose unused airdrop tokens for strategic ecosystem growth appeared first on Crypto Briefing .

Aug 6, 2026 · byCryptoBriefing

Optimism forecasts 343M more OP in circulation

Optimism expects circulating OP supply to reach 2.504 billion by April 2027 as ecosystem, contributor and investor tokens enter circulation.

Aug 6, 2026 · byCrypto.news

Coldcard hacker’s BTC wallet flooded with on-chain messages

Victims are spending small amounts of BTC on OP_RETURN messages asking the Coldcard thief to give some of it back. The post Coldcard hacker’s BTC wallet flooded with on-chain messages appeared first on Protos .

Aug 4, 2026 · byProtos

BlockDAG’s Super App is Coming in September, Sparking the Debate for 2100x ROI as Arbitrum and Optimism Tread Water

Layer 2 networks were supposed to be where Ethereum’s next wave of growth played out, and this August that promise looks stuck in neutral for two of its biggest names. Arbitrum keeps landing major integrations while ARB sits near multi-month lows. Optimism just kicked off a new governance season, yet

Aug 4, 2026 · byTheNewsCrypto

Coinbase Exec ‘Relentlessly Optimistic’ on CLARITY Act Odds

Coinbase Head of Institutional Strategy John D’Agostino says he remains “relentlessly optimistic” the CLARITY Act passes, even as Wall Street odds-makers put the bill’s chances well below 50%. A Coinbase Exec’s Case for Optimism D’Agostino, Coinbase’s Head of Institutional Strategy, told reporters he is confident the Digital Asset Market Clarity Act, or CLARITY Act, will […]

Aug 1, 2026 · byBitcoin.com News