function spend(address peer, uint256 amount) external require(balance[peer] >= amount, "Insufficient tokens"); balance[peer] -= amount; emit Spend(peer, amount);
function reward(address peer, uint256 bytes) external uint256 tokens = bytes * α; balance[peer] += tokens; emit Earn(peer, tokens); shemantube
Shemantube: A Decentralized, Edge‑Enabled Architecture for Scalable Video Streaming function spend(address peer