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The Arbitrum ecosystem congratulated the xLiquida team on a major step toward mainnet as tokenized UK government bonds move closer to the programmable economy. The milestone signals growing onchain access to sovereign debt instruments on the Arbitrum Platform.
Altitude, an operating account for businesses, now supports USDC on Arbitrum.
The news was shared via an Arbitrum retweet of Altitude's announcement.
Anchored has launched its tokenized stocks on Arbitrum, available through Uniswap. The launch opens onchain access to stock exposure on the Arbitrum Platform.
Arbitrum has opened registration for its Open House program, kicking off with a three-week online Buildathon starting September 14th. Early-stage teams get dedicated ecosystem support, a share of $115K in prizes, and top teams earn spots at the Founder House in Singapore in October.
The Arbitrum Foundation released its 1H 2026 progress report, showing the Arbitrum Platform generated $6.1M in income across four revenue lines during the first half of the year. The results point to growing activity and sustainable value creation as the platform positions itself as the default for programmable finance.
Key highlights from the period:
Stabilizer announced it is bringing zero-slippage stablecoin swaps to Arbitrum One, which holds $3.5B in stablecoins. The integration aims to provide more efficient stablecoin trading on the network.
Variational has launched its first swap markets on Arbitrum, bringing traditional finance liquidity onchain starting with gold (XAU) and Nasdaq-100 (US100) markets. The move makes TradFi markets more programmable on the Arbitrum platform.
Following approval through Arbitrum governance, the ArbOS Elara upgrade is now live on the Arbitrum Platform, adding new capabilities for dedicated blockchains and improvements to Arbitrum One. For dedicated blockchains it introduces protocol-level compliance filtering, customizable priority fees, and an alternative data API; on Arbitrum One the change brings a more efficient base fee.
The Bounded Liquidity Delay (BoLD) dispute protocol went live on Arbitrum One and Nova, replacing allow-listed validators with a permissionless system that lets anyone participate in network validation and fraud proofs.
Stylus, a backward-compatible virtual machine enabling smart contract development in WebAssembly languages (Rust, C, C++) alongside Solidity, went live on Arbitrum One and Nova mainnet.
The Arbitrum Foundation's first governance proposal, AIP-1, which would have given it control over 750 million ARB tokens (~$1B), sparked community revolt. The Foundation backtracked the same week and agreed to split the proposal into separate votes.
The Arbitrum Foundation airdropped the ARB governance token to eligible early users and launched the Arbitrum DAO, transitioning governance of Arbitrum One and Nova to token holders.
Offchain Labs acquired Prysmatic Labs, the core engineering team behind Ethereum's leading consensus client (Prysm), which played a central role in Ethereum's Merge to proof-of-stake.
Arbitrum One migrated to the Nitro stack, delivering roughly 7-10x higher throughput, advanced calldata compression, and lower transaction fees.
Arbitrum Nova, a new chain built on AnyTrust technology optimized for gaming and social applications with ultra-low fees, launched and opened to the public.
Arbitrum One opened to the public as an Ethereum Layer 2 rollup. Simultaneously, Offchain Labs announced a $120 million Series B led by Lightspeed Venture Partners at a $1.2 billion valuation.
Arbitrum One, the project's flagship L2 chain, launched its mainnet beta on Ethereum, initially open to developers who had requested access.
Offchain Labs launched the first fully functional EVM-compatible Optimistic Rollup testnet on Ethereum, allowing developers to deploy Solidity contracts with lower costs.
Offchain Labs, the Princeton-spawned startup building Arbitrum, closed a $3.7 million seed round led by Pantera Capital to develop its Ethereum scaling solution.
