Arbitrum ARB
Optimistic rollup and largest Ethereum L2 by TVL. Sits at the centre of Ethereum scaling and DeFi rollup activity.
Jobs at Arbitrum
Browse live Arbitrum and ecosystem roles on Cryptogrind. New jobs are added daily by the team and from partner sources.
Recent Arbitrum coverage
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Robinhood Just Launched a Blockchain — And AI Agents Can Now Trade Your Money 24/7
Robinhood Chain mainnet went live today on Arbitrum, bringing 24/7 tokenized stock trading to 120 countries, a 7% DeFi lending product, and AI agent accounts that execute trades autonomously. HOOD stock jumped 8%.
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The People Who Built Ethereum Are Walking Out the Door — And Joe Lubin Says It's 'Not a Crisis'
8 senior Ethereum Foundation researchers quit in 2026 — including Tim Beiko, who ran All Core Devs for years, and Carl Beek, who helped build the Beacon Chain. ETH ETFs just hit 17 straight days of outflows. A former EF researcher now wants a $1B rival org to actually fight for ETH's price.
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Jack Dorsey Hates Stablecoins. He Just Gave Them to 60 Million People Anyway.
Block's Cash App begins rolling out USDC payments to its nearly 60 million users — even as CEO Jack Dorsey publicly admits he doesn't want to do it.
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Vitalik's Anime Letter Triggered Ethereum's Biggest Talent Exodus — 8 Senior Researchers Gone
Eight senior Ethereum Foundation researchers quit in 2026, five in May alone. The trigger? A Milady-themed 'Mandate' document staff were told to sign or be fired. Now a former EF dev wants $1 billion to replace the whole organization.
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Vitalik's $470M Ethereum L2 Launched Its Token Today — Hit ATH and Dumped 20% in the Same Hour
MegaETH's $MEGA token went live April 30, 2026. Backed by Vitalik Buterin and Joe Lubin with $470M in funding, claiming 100,000 TPS — and airdropping to 500,000 wallets on day one. Here's the full breakdown.
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Ethereum's Biggest Rivals Just Pooled $300M to Bail Out a North Korean Hack — and It Might Actually Work
DeFi United drops its technical rescue blueprint today, with Consensys, Aave, Compound, the Solana Foundation and 14 other protocols pledging $300M+ in ETH to re-collateralize rsETH after the $292M Lazarus-linked KelpDAO exploit. This is the most coordinated cross-protocol rescue in DeFi history.
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The Man Who Could Set US Interest Rates Owns Solana, dYdX, and Polymarket
Kevin Warsh — Trump's pick to replace Jerome Powell as Fed Chair — heads into his Senate confirmation hearing tomorrow with 30+ crypto investments in his portfolio. Here's what it means for rates, regulation, and the entire industry.
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The NFT-Era L2s Are Dying. Mint Blockchain and Myria Just Killed the Lights.
Mint Blockchain shut down April 17. Myria is pulling the plug on its L2 with an April 27 asset-bridging deadline. They're not alone — 20+ crypto projects went dark in Q1 2026. The NFT-era infrastructure bubble is officially over.
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Oracle Just Fired 30,000 People via 6 AM Email to Build AI Data Centers. Here's Where Those Engineers Should Actually Go.
Oracle cut 18% of its workforce overnight to fund a $156B AI buildout. If you're one of the 30,000, crypto infrastructure needs your exact skill set.
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Solidity vs Rust: Which Should You Learn for a Crypto Career in 2026?
Solidity or Rust — which language should you invest in if you want a high-paying crypto job in 2026? We break down the real trade-offs.