We built Fast Poker on Arcium MPC and MagicBlock TEE in parallel. Both worked. TEE won on latency, cost, simplicity.
Cards live in Intel TDX enclaves. Operators are cryptographically blind.
Permissioned privacy on Solana isn't theoretical. It's shipping.
phase 1 was making cryptographic money work
phase 2 was making it programmable
phase 3 was making it scale
the final phase will be making it private