infrastructure
Google Cloud sunsets Blockchain Node Engine on December 15, hands customers to Quicknode
GCP will delete all BNE nodes and RPC endpoints on Dec 15, 2026. Customers get a Quicknode migration path with marketplace incentives.
Newsroom
OpenZeppelin publishes CACEIS EURXT audit: zero critical, three low-severity findings
The MiCA-licensed euro EMT from Crédit Agricole's custodian cleared OpenZeppelin's May 20–21 audit with no high- or medium-severity issues.
protocol
Polymarket Protocol V2 opens canary markets, full switchover set for November 2
Polymarket's V2 replaces Gnosis Conditional Tokens with a single ERC-1155 contract, pUSD-only collateral, and a pluggable oracle layer (UMA plus Chainlink).
infrastructure
Solana Foundation open-sources DvP settlement program with JPMorgan input
Solana DvP is an MIT-licensed escrow program for atomic delivery-versus-payment on Token-2022, with JPMorgan contributing institutional settlement requirements.
protocol
Spiko raises $90M Series B led by NEA to expand tokenized cash funds
French tokenized money-market-fund issuer Spiko closed a $90M Series B led by NEA, taking AUM to $2.7B — on paper larger than BlackRock BUIDL or Franklin OnChain by that narrow slice.
regulation
Winklevoss files S-1 for spot Zcash ETF WINK on Nasdaq, 0.25% fee
Winklevoss Asset Services filed an S-1 October 6 for a spot ZEC ETF listing on Nasdaq under ticker WINK, Gemini as custodian, with Winklevoss Capital Fund signaling up to $100M in seed interest.
on-chain
ZachXBT fronts $349,700 to infiltrate Chinese launderers linked to Bybit hack
On-chain investigator ZachXBT ran six months of controlled transactions through a Chinese OTC syndicate operating for Lazarus, surfacing a Tron collection address and a $12M Bybit-linked cluster.
exploit
Base vault loses 1,783 wstETH ($6M) after multisig signs attacker twice in 90 seconds
An unidentified Base vault's 3-of-7 Safe approved an attacker contract, let it drain 1,783 wstETH via Aave V3, then re-approved it — $31.7M still exposed under the same multisig.
regulation
CFTC proposes Regulation CTX and Regulation CAM to pull leveraged crypto exchanges under federal oversight
Chairman Mike Selig's advance notice pairs CTX (leveraged crypto transactions) with CAM (a new exchange category). 60-day comment window; spot without leverage stays outside.