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Coinbase’s B20 Stocks Go DeFi‑Ready as Chainlink Feeds Allow Borrowing

Chainlink’s session‑aware total‑return feeds let Base protocols use ADGM‑issued, custodial B20 tokens as collateral for 24/5 lending, opening new on‑chain borrowing and yield strategies restricted to non‑U.S. persons.

Overview

  • Coinbase launched B20 tokenized shares for Nvidia, Apple, Meta and Alphabet on Monday, Aug. 24, with about $4.55 million minted on day one and on‑chain trading and liquidity rising into the mid‑millions over the following days.
  • Chainlink published V3 data feeds for NVDAc, AAPLc, METAc and GOOGLc on Aug. 26, which report a token’s total‑return value using a Coinbase multiplier that adjusts for dividends and corporate actions and run 24 hours a day, Monday through Friday.
  • With Chainlink pricing live, major DeFi lenders including Aave, Morpho and Euler are preparing or activating markets that can accept B20 tokens as collateral, and independent teams have launched carry‑trade and yield vaults that lend and borrow against those positions.
  • On‑chain activity shows strong trading but limited protocol deposits, with roughly $960,300 held by DeFi venues on Base and about 98% of that amount concentrated in Uniswap pools rather than spread across lending markets.
  • The tokens are issued by Coinbase Onchain SPV Ltd. under ADGM prospectuses with underlying shares custodied by Alpaca, distribution is limited to non‑U.S. persons under Regulation S, and oracle timing differences during market closures create specific liquidation and operational risks for holders.