Modular blockchain rollups on Celestia and Avail

Decentralized Physical Infrastructure Networks (DePIN) for renewable energy

Sat‑Fi tokens for satellite bandwidth trading

Self‑custodial subscription management NFTs

DAO‑governed open‑source funding tokens

Ordinal‑based in‑game Bitcoin items

DeFi health‑savings accounts

eSports match betting with anti‑cheat proofs

Crypto‑secured drone delivery logistics

On‑chain micro‑pension savings plans