@0xmamareza.eth

Your bro is back, With part 11 of explaining @zama fhEVM basics — confidential contracts without leaving Solidity 💛 If you already write Solidity, fhEVM feels familiar. You keep your tooling, wallets, and mental model. The difference is a privacy switch you can flip on the fields and steps that shouldn’t be public. How it works 🟨 • You write a normal contract, then mark what stays encrypted (balances, bids, scores, etc.). • Inputs are encrypted client-side. Coprocessors run the FHE math off-chain; the chain orchestrates + verifies. • Lightweight proofs handle input correctness (ranges, formats), so private doesn’t mean “unchecked.” • Decryption is policy-based: user-only, group-only, or post-event (e.g., after an auction ends). Dev + fees 🟨 • Same Solidity, same toolchain. • Pay regular gas + a protocol fee (USD-denominated, auto-converted to $ZAMA under the hood). • KMS nodes manage threshold keys; coprocessors do the heavy lifting. Why it clicks 🟨 you get verifiable outcomes on-chain, while sensitive values stay sealed. No new L1, no ceremony, just a practical path to ship private logic that plays nicely with Ethereum. In my opinion, this is the right abstraction to make privacy feel normal.

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