Andreessen Horowitz has become one of the most recent backers of Flock Safety, the Atlanta-based company whose license-plate readers, cameras, drones and audio sensors now operate across thousands of US based communities.
The firm led Flock’s 2021 Series D round and returned to lead a $275 million round in March 2025 that valued the company at $7.5 billion.
In an April 2026 essay published on its own site, a16z praised the technology as a way to move policing from subjective judgment toward more precise, data-driven investigations and claimed Flock helps resolve hundreds of thousands of crimes each year.
At the same time, the firm’s dedicated crypto practice has spent recent years arguing that privacy itself is becoming the decisive competitive advantage in blockchain.
a16z crypto partners have written that confidentiality is no longer an optional feature but the “most important moat” for networks that hope to handle real-world finance, payroll and sensitive data.
They have invested in encrypted chains, zero-knowledge systems and “secrets-as-a-service” infrastructure, framing public-by-default ledgers as inadequate for institutional and consumer use.
The juxtaposition has prompted questions about consistency.
Flock’s network records vehicle movements at scale and lets participating agencies share data across jurisdictions.
Critics, including civil-liberties groups and some city councils, argue the system enables warrantless tracking of ordinary drivers, has been misused by officers to monitor former partners, and in some contracts gives the company itself broad rights to retain or train on footage.
Several municipalities have canceled or paused deployments.
Flock and its supporters counter that searches are logged, default retention is short, customers own the data, and the alternative—unsolved crime—is worse.
a16z’s American Dynamism practice treats public-safety technology as part of a broader bet on tools that strengthen US institutions.
Its crypto arm treats privacy-preserving computation as essential to moving economic activity on-chain without recreating mass financial surveillance.
Observers note that the two theses sit in different domains—physical-world policing versus digital finance—yet both rest on the same firm’s capital and public voice.
The resulting tension is less a formal contradiction than a test of whether a single investor can credibly champion both expanded observational capacity for law enforcement and stronger cryptographic shields for individuals.
Flock continues to raise capital and expand product lines while privacy-focused crypto projects attract their own funding. The debate over a16z’s overall stance is likely to persist as long as the firm remains a lead investor in both categories.