How Ripple’s Chris Larsen became a gravitational force in SF politics, donating millions to local causes, as he helps Mayor London Breed’s reelection campaign (Josh Koehn/The San Francisco Standard)

Josh Koehn / The San Francisco Standard:
How Ripple's Chris Larsen became a gravitational force in SF politics, donating millions to local causes, as he helps Mayor London Breed's reelection campaign  —  On a recent Friday afternoon, Chris Larsen sat behind the wheel of a gunmetal Porsche 918 Spyder, zipping through the Broadway Tunnel.