Coinbase pushes ‘Pessimism’ to boost Base security

The open-source monitoring system is capable of identifying threats in the OP Stack and other EVM blockchain events

article-image

GoodIdeas/Shutterstock, modified by Blockworks

share

Base, an Ethereum rollup utilizing Optimism’s OP stack, has launched a security enhancement system playfully dubbed “Pessimism.”

Pessimism serves as a monitoring system intended to bolster the security of the entire OP Stack, a collection of software that drives Optimism mainnet and other Ethereum Virtual Machine-compatible blockchains.

In a blog on Wednesday, Base revealed that the Coinbase team has been actively running Pessimism in-house to supervise and monitor the Base mainnet since its launch on Aug. 9.

The team is now making Pessimism open source, releasing it under an MIT license, which offers the software freely and without restrictions.

Pessimism is designed to pinpoint protocol vulnerabilities that are distinct to the OP Stack, including withdrawal enforcement, fault detection and general events within the EVM blockchain.

“This lets us detect unauthorized or malicious events on the Base native bridge as well as the layer-1 / layer-2 system contracts on Base,” Base said.

At present, Pessimism offers support for overseeing user withdrawal security, identifying possible faults, upholding balance limits for accounts and detecting events within smart contracts.

Optimism-based rollups do not yet have working fraud proofs, so careful monitoring can help mitigate some of the risks.

“When an abnormal activity or event perceived as a security threat is detected, Pessimism alerts the team to swiftly address any potential risks,” the blog said.

Base plans to consistently roll out additional features for Pessimism to ensure coverage of potential protocol threats.

In just under two months since its launch, Base has surpassed Solana to claim the ninth spot as the largest blockchain in terms of total value locked.

Base is the third-largest network when it comes to the total value of assets it handles, among Ethereum-based protocols, ranking right after Arbitrum and Optimism, according to L2Beat.


Get the news in your inbox. Explore Blockworks newsletters:

Tags

Upcoming Events

Old Billingsgate

Mon - Wed, October 13 - 15, 2025

Blockworks’ Digital Asset Summit (DAS) will feature conversations between the builders, allocators, and legislators who will shape the trajectory of the digital asset ecosystem in the US and abroad.

Industry City | Brooklyn, NY

TUES - THURS, JUNE 24 - 26, 2025

Permissionless IV serves as the definitive gathering for crypto’s technical founders, developers, and builders to come together and create the future.If you’re ready to shape the future of crypto, Permissionless IV is where it happens.

Brooklyn, NY

SUN - MON, JUN. 22 - 23, 2025

Blockworks and Cracked Labs are teaming up for the third installment of the Permissionless Hackathon, happening June 22–23, 2025 in Brooklyn, NY. This is a 36-hour IRL builder sprint where developers, designers, and creatives ship real projects solving real problems across […]

recent research

Featured.png

Research

Helium stands at a pivotal moment in its evolution as a decentralized wireless network, balancing rapid growth, economic restructuring, and global expansion. With accelerated growth in domestic DAUs and Hotspots supporting its network, Helium is leveraging strategic partnerships and innovative proposals to scale internationally. The recent implementation of HIP 138, “Return to HNT,” has unified its token economy under HNT, simplifying participation and strengthening liquidity, while HIP 139’s phase-out of CBRS refocuses efforts on scalable Wi-Fi offload. Meanwhile, governance shifts under HIP 141 raise questions about centralization as Nova Labs consolidates control over the roadmap.

article-image

Dragonfly’s Rob Hadick discussed how the firm is approaching investments in the current market

article-image

The asset surged over the past seven days to reach its highest-ever weekly close on the SOL/ETH pair

article-image

Industry watchers note that SOL ETFs have attracted a fraction of the demand for bitcoin and ether ETFs

article-image

Tariff swings impact stock market and company outlooks, with Apple and NVidia likely to be affected by China tariffs

article-image

The team says an attacker minted unclaimed tokens from ZKsync’s 2024 airdrop

article-image

The MIT research-based protocol is live in private testnet — laying the foundation for decentralized RAM