Robinhood Chain Goes Live, Agentic Payments Take Shape, Updated Lean Ethereum Roadmap

Robinhood launched the public mainnet of Robinhood Chain, an Arbitrum-based Layer 2 for tokenized real-world assets and DeFi, alongside Agentic Accounts that let AI models trade from self-custody wallets within user-defined limits. At ETHConf, WalletConnect and MetaMask executives argued that account abstraction is key to safe AI agent payments, emphasizing granular permissions and pre-signing checks. Vitalik Buterin shared an updated Lean Ethereum roadmap prioritizing privacy and quantum resistance.

Welcome to our weekly digest, where we unpack the latest in account and chain abstraction and the broader infrastructure shaping Ethereum. This week: Robinhood takes its own chain and agentic trading live; WalletConnect and MetaMask make the case that account abstraction is what will keep AI agent payments safe; a new essay argues Ethereum should fund its founding period like a young nation-state; and Vitalik shares the updated Lean Ethereum roadmap that makes privacy and quantum resistance first-class. Please fasten your belts Robinhood has launched the public mainnet of Robinhood Chain https://www.coindesk.com/business/2026/07/01/robinhood-rolls-out-public-blockchain-as-it-expands-deeper-into-crypto , its biggest move yet into onchain finance. Built on Arbitrum, the Layer 2 is designed for tokenized real-world assets and DeFi, and it went live at a London keynote with day-one partners including Uniswap. With the mainnet, Robinhood’s Stock Tokens are now fully live in more than 120 countries, though availability varies by jurisdiction. Users can trade tokenized equities around the clock and put them to work across DeFi, including in lending pools and as trading collateral. The company also rolled out Robinhood Earn https://robinhood.com/us/en/newsroom/robinhood-accelerates-global-expansion-robinhood-chain-mainnet-stock-tokens-agentic-trading , a decentralized lending product that pays an estimated 7% on its dollar-backed USDG stablecoin through a self-custody wallet, powered by the Morpho protocol. Perpetual futures and maker fees as low as 0% round out the trading updates. The most relevant piece for our readers is Agentic Accounts for crypto. Through a Trading MCP, eligible users can connect their AI model of choice to Robinhood’s data and tools, while keeping control by setting how much capital to allocate and which safety guardrails apply. This is account abstraction territory in all but name. Letting an agent trade from a self-custody wallet within human-defined limits depends on programmable permissions, and it shows how the line between traditional finance and DeFi keeps blurring. At ETHConf, WalletConnect founder Pedro Gomes and MetaMask’s Francesco Andreoli discussed https://youtu.be/0vbhN0TivLw?si=onz5Dxpdhf3wSvvY where wallets and payments are heading. Both see wallet features consolidating, with payments becoming the main way users touch the outside world, whether through a wallet embedded in a website, one hidden inside a bank, or a crypto-native super app. A recurring theme was that account abstraction still matters, but in a specific way. As people meet crypto through apps that hide the wallet entirely, the value of AA shows up in smoother permissions and controls rather than in anything the user sees directly. On agentic payments, Gomes argued the missing piece is authorization. Stablecoins succeeded partly because self-custody wallets gave users the right controls, including pull payments that let a party authorize a charge before it settles, which is also how card payments work. That framing sets up the case for guardrails. A “beast mode” agent that can spend freely is fine for building a quick app, but not for booking flights or managing money, so wallets need granular permissions, transaction simulation, and security checks before an agent ever signs. Andreoli pointed to MetaMask’s agent wallet work, where the goal is stronger guarantees like gasless flows and pre-signing safety checks, even at the cost of some latency. The shared vision is wallet payments that feel as safe and routine as cards, but with self-custody underneath. In the third essay https://x.com/trent vanepps/status/2072284645283029016 of Trent Van Epps’ trent.eth series on Ethereum’s political economy, the author argues that Ethereum is best understood as an early-stage polity rather than a digital utility. Comparisons to open-source projects, Linux, or ICANN are category errors, he writes, because Ethereum has its own money, its own sovereignty, and internal capital and labor markets. From that frame, he makes the case for what he calls founding-period funding. Durable polities tend to front-load their infrastructure investment rather than spread it evenly, and he points to Singapore, which spent well above the norm on capital projects in its early decades before its economy compounded for sixty years. Applied to Ethereum, the argument is mostly about timing. Core decisions on scaling, proposer-builder separation, account abstraction, zkEVMs, and privacy are being locked in right now, so underfunding the people making them is not a real saving. He adds that early investment compounds, and that losing protocol talent is far harder to recover from in a young system than a mature one. Funding infrastructure like Protocol Guild, he argues, helps set norms that persist as the ecosystem grows. The piece continues the funding and succession thread we covered a couple of weeks ago, now with a wider historical lens. It is a dense read, but a useful counterweight to the idea that Ethereum can quietly coast on a steady-state budget. Vitalik Buterin has shared https://x.com/VitalikButerin/status/2073459000398463446 an updated long-term roadmap he calls “Lean Ethereum,” describing it as the network’s third major iteration after the Merge. Rather than arriving in a single upgrade, it is a series of protocol improvements planned over the next three to four years and published through Ethereum’s public strawmap. The plan touches nearly every layer of the protocol. Highlights include replacing direct transaction re-execution with recursive STARK verification, adding quantum-resistant cryptography, redesigning consensus for one or two-round finality, and introducing multidimensional gas pricing. One of the biggest shifts is how the roadmap treats privacy. Buterin says privacy is no longer an afterthought but a first-class goal, with new components like Frames, the mempool, and future state structures now judged on whether they can support intermediary-free, quantum-safe privacy at low overhead. Scalability gets a rethink through new state designs. Under one vision, Ethereum in 2030 could hold roughly 2 TB of today’s dynamic state alongside 100 TB of newer, more scalable state for assets like ERC-20 tokens and NFTs, without forcing existing applications to migrate. Looking further out, Buterin floated moving beyond the EVM toward an execution environment such as RISC-V or leanISA, with the EVM becoming a compiler target. Throughput would keep rising gradually, and the upcoming Glamsterdam upgrade already includes another gas limit increase. Start exploring Account Abstraction with Etherspot ❓Is your dApp ready for Account Abstraction? Check it out here: https://eip1271.io/ https://eip1271.io/ Follow us Etherspot Website https://etherspot.io/?utm source=devto&utm medium=article&utm campaign=followus es | X https://twitter.com/etherspot | Discord http://discord.etherspot.io/ | Telegram https://t.me/etherspot | Github https://github.com/etherspot/etherspot-prime-sdk | Developer Portal https://developer.etherspot.io/