In this week’s issue of The Protocol, our newsletter on blockchain tech, we’re covering the Optimism’s $42.5M token pledge to Kraken, crypto VC funding, grants for Bitcoin open-source developers, and Polymarket’s (negligible) impact on Polygon’s bottom line.

Some $350 million notional value of November call options traded on CME with a breakeven bitcoin price of nearly $80,000, anticipating a rally next month, one analyst noted.

While millions of users are already using debit cards to connect to their Coinbase accounts, the Visa debit card holders offer near-instant transfers, which wasn’t possible before.