Energy-Efficient Design with Off-Chain Storage
The integration of PoSp and off-chain storage solutions, such as IPFS and Filecoin, reduces energy consumption and on-chain data congestion through Substrate's efficient storage architecture. PoSp operates at an energy efficiency of ~10W/TB, significantly lower than Proof-of-Work's ~1MW/TH/s, representing a 99% reduction in energy requirements while maintaining security through custom storage verification pallets.

Off-chain data is represented on-chain as metadata (e.g., Content Identifiers or CIDs) stored in Substrate's Patricia Tries, with integrity verified using Merkle Tree proofs (~384 bytes) generated through Substrate's native proof system, ensuring data authenticity without burdening the blockchain with large storage requirements.
This approach balances security with environmental sustainability within Substrate's modular framework.

