there are 3 categories in crypto with product market fit in 2025: (1) financial entertainment: memecoins, perps, prediction markets (2) fintech: lending, stablecoin payments, trading majors & short-tail assets (3) incentivized resource aggregation & distribution: marketplaces for data, compute, bandwidth, wifi, energy, etc categories that remain on the frontier: verifiable AI, media & social, on-chain games, privacy