MATTHEW. KARSTEN

Matthew Karsten is the founder of Purple Squirrel Media, an AI x Web3 developer studio based in Miami. A Solana builder since 2023, he has shipped 76+ MCP server tools, the Coldstar air-gapped wallet, and 20 Rust crates on crates.io. Previously known as the Expert Vagabond, Matthew spent a decade as a professional travel blogger before pivoting to blockchain infrastructure and decentralized systems.