Brian Armstrong: Coinbase's product showcase, Dec 17, 2025

At the keynote on Dec 17, 2025, Brian Armstrong said 6 of the 17 words Kalshi and Polymarket listed; Parrot’s count agreed with all 17 settlements. Quotes below are at most 25 words each.

Updated

Markets

17 words · 6 settled yes · our count agreed on 17 of 17

backtest The probabilities on settled rows are a walk-forward backtest: the model as of before each event, computed after Parrot went live; they were not published at the time.

Listed words: result, our count under the market rule, the count over every speaker, whether they agree, and the probability (a walk-forward backtest on settled rows)
WordResultOur countAll speakersAgreesProbabilityMarket
Prediction Market Yes27✓75%n=2 from settlement history–
Ethereum 2+ timesYes26✓–new new word, no probability yet–
Stablecoin 2+ timesYes220✓–new new word, no probability yet–
Ethereum Yes26✓–n=1 too little history for a probability–
Bitcoin Yes114✓75%n=2 from settlement history–
Token Sale Yes16✓–n=1 too little history for a probability–
Delaware No00✓–n=1 too little history for a probability–
BVNK No00✓–new new word, no probability yet–
Solana DEX / Solana Decentralized Exchange No00✓–new new word, no probability yet–
Cobie No00✓–new new word, no probability yet–
Echo No00✓–new new word, no probability yet–
Solana No00✓–new new word, no probability yet–
Base Token No00✓–n=1 too little history for a probability–
Acquisition No00✓–n=1 too little history for a probability–
Doge / Dogecoin No00✓–n=1 too little history for a probability–
Perpetual Futures / Perp No02✓10%n=2 from settlement history–
Tokenized Equity No00✓10%n=2 from settlement history–

Market prices are mid quotes from Kalshi and Polymarket, shown for context, may be delayed by several minutes and are not a signal. Quotes as of Oct 21, 2026 04:22 UTC.

Transcript

quotes of at most 25 words

Captions · machine-attributed · Coinbase (YouTube) · Source · Quotes of at most 25 words; the full recording is on the publisher's official channel.

Machine-attributed. Speaker turns are labelled by a model, not the publisher.

Where the listed words were said

Brian Armstrongspeaker“Prediction Market” · 4:34

…just crypto. And customers want one place where they can trade equities, prediction markets, commodities using spot trading, derivatives, and options. And as every asset…

Brian Armstrongspeaker“Ethereum (2+)” · 5:50

…we've also incubated the most popular layer 2 blockchain on top of Ethereum called Bass, which gives developers a powerful foundation to build crypto utility…

Brian Armstrongspeaker“Stablecoin (2+)” · 57:15

…been tokenizing assets for many years at Coinbase with wrapped Bitcoin and stable coins. But that was just the beginning. So today we're excited to…

Brian Armstrongspeaker“Ethereum” · 55:57

…your entire financial life. So today we announced direct deposit, instant unstaking, Ethereum backed loans, updates to our borrow product, and a redesigned peer-to-peer payment…

Agents: this page as TSV at /api/v1/appearances/brian-armstrong:2025-12-17:keynote · words: /api/v1/brief?appearance=brian-armstrong:2025-12-17:keynote · columnar JSON in #parrot-data · llms.txt · MCP