https://josephkaufman.xyz/ Short articles on the industries I work in. en https://josephkaufman.xyz/writing/wealth-bands-as-infrastructure/ https://josephkaufman.xyz/writing/wealth-bands-as-infrastructure/ Sun, 08 Nov 2026 12:00:00 GMT fintech Wealth bands were never designed to measure everything people own. They measure what the industry can service, and better infrastructure for verifying and governing assets may redraw that line. https://josephkaufman.xyz/writing/provenance-before-tokens/ https://josephkaufman.xyz/writing/provenance-before-tokens/ Sun, 08 Nov 2026 12:00:00 GMT tokenization You can put a lie on a blockchain and it is still a lie. The recoveries in a 2025 study of cultural property trafficking depended on evidence documented before the theft, and that lesson applies to anyone bringing real-world assets on-chain.