Etherscan Newsletter Block #72: Trading Stocks 24/7 Onchain

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Dear theetherdev,

Tokenized stocks are having a breakout month, with transfers doubling to $8.4B. Securitize became the first company to debut on the NYSE and put the same shares onchain on day one, and we expect more issuers to follow.

On Etherscan, you can now see the owners with authority to sign a smart account's transactions, and view a proxy contract's full upgrade history at a glance

This issue, we walk through what to verify before buying your first tokenized stock.

ETHERSCAN

Highlight

What to Know Before You Buy a Tokenized Stock
Seemingly every major venue now offers tokenized stocks, and their onchain value has grown 5x this year to nearly $2B. But buying a stock token is not the same as owning the stock. This guide covers:
• Why Most Stock Tokens Don't Make You a Shareholder
• How to Vet a Stock Token on the Explorer
• The Bigger PictureRead More

FEATURE
Smart Account Owners
List of owners with the authority to sign transactions of a smart account.

FEATURE
Historical Proxy tab
View a proxy contract's full upgrade history at a glance.

A MESSAGE FROM METAMASK

Money Account
Turn your money on with the new MetaMask Money Account, and earn up to ~4% APY automatically. No lockups, no extra steps, no hidden fees. Your balance starts growing as soon as funds are deposited (mUSD), and keeps earning while you trade, send, and spend. Finally, money that works for you.

Start Earning

ECOSYSTEM

Trending

Ethlabs, a New Non-Profit R&D Lab for Ethereum
Launched by former senior EF researchers, Ethlabs's mission centers on making Ethereum the settlement layer of the global economy.

x.com/ethlabs_org

Open USD, a Stablecoin for the Internet Economy
Open USD offers no-cost minting/redemption, full reserve earnings shared with partners, and collaborative governance by an independent board.

x.com/openstandard

Cloudflare Will Let You Charge for Anything via x402
Charge for any web page, dataset, API, or MCP tool behind Cloudflare, with payments settling in stablecoins over x402. The waitlist is open.

blog.cloudflare.com

The Road to Lean Ethereum
Vitalik's takeaways from the Berlin researcher meetup: a multi-year overhaul spanning recursive STARKs, quantum safety, and new state types.

x.com/VitalikButerin

Ethereum's New Wall Street Liaison
Ethereum Institutional, funded by Bitmine, Sharplink, and Joe Lubin, will be the ecosystem's point of contact for banks and asset managers.

x.com/ethereuminsti

Developers

Every Working Testnet Faucet in One Place
faucet.eth.sh aggregates all working testnet faucets, shows your cooldown timers, and lets you vote out sites that no longer work.

x.com/apoorveth

The One Dollar Audit
An AI security review of your smart contract for 1 USDC, with x402-native payments for agents and reviews living on ERC-8004.

x.com/austingriffith

Community

AI Unmasked Vitalik's Anonymous Writing
Vitalik's authorship challenge has a winner: an AI spotted his anonymous EIP-7503 rewrite from his style of math and algorithm explanations.

x.com/VitalikButerin

Ethereum's Energy Footprint, Measured
A Cambridge audit of 8,522 nodes puts Ethereum at 7.87 GWh a year, 99.9% below pre-Merge, less than half the British Museum's electricity use.

jbs.cam.ac.uk

Pick of the Month

Transaction: An 8-Year-Old Cryptographic Puzzle Gets Solved
0xflorent.eth solved a 0.5 ETH puzzle unsolved for 8 years, with the answer hiding in plain sight. Three more remain open, worth 2 ETH combined.

Address: jaredfromsubway Beaten at His Own Game
The infamous sandwich bot lost ~$14M after engineered swap paths left its token approvals open, letting the attacker drain them.

Apps to Try

As the world goes onchain, here are some apps you can explore:
Rabby
An open-source wallet for Ethereum and all EVM chains that switches chains automatically and simulates every transaction before you sign, showing balance changes and flagging risks upfront.

RWA.xyz
An analytics platform for tokenized real-world assets, tracking treasuries, private credit, stablecoins, and more across networks, with data cited by the IMF, the White House, and major financial institutions.

Note: We're highlighting apps by the community, please do your own research before using them!

Pro Tip

See an address's onchain social graph
On the address page in Etherscan, open the Cards tab and look for Onchain Profile. It shows the address's ENS name, avatar, who they follow and who follows them.

Jobs

Looking for a job in crypto? Check out these roles below:
Business Development (China) at Luxor Technology | Remote

Institutional Business Development - NYC at Paradex

Principal Engineer at Paradex | Singapore

Principal Engineer, AI Products at Paradex | Singapore

Have any comments or feedback on this newsletter issue? Let us know!

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