**MicroStrategy Boosts Bitcoin Holdings**

MicroStrategy is doubling down on Bitcoin, purchasing 27,200 BTC for $2.03 billion between Oct. 31 and Nov. 10. This acquisition brings its total holdings to 279,420 BTC, valued at $24.9 billion, with an average purchase price of $42,888. Despite a 418% rise in its stock this year, the company missed revenue expectations, reporting $116.1 million for Q3.

**Coinbase Launches COIN50 Index**

Coinbase has unveiled the COIN50 Index, tracking over 50 digital assets, with Bitcoin, Ether, and Solana leading. The index targets emerging markets, excluding major ones like the U.S. and U.K.

**Kaiko Expands with Vinter Acquisition**

Kaiko has acquired Vinter, enhancing its crypto indexing and analytics capabilities in Europe. This marks Kaiko's third acquisition, strengthening its presence in the ETP sector.

**MARA Holdings' Revenue Miss**

MARA Holdings' shares dropped 9% after Q3 earnings fell short, despite a 34.5% revenue increase to $131.6 million. Operational expenses surged, leading to a $124.8 million net loss.

**MoonPay Introduces MoonPay Balance**

MoonPay launched MoonPay Balance, allowing users to store and spend euros and pounds in self-custodial wallets. Initially available in the U.K. and most of Europe, it aims to enhance decentralized finance interactions.