The blockchain landscape is evolving from public networks to private solutions, as highlighted by Tempo's recent proposal for private enterprise stablecoin transactions. With a $500 million investment and backing from major financial institutions like Visa and Mastercard, Tempo emphasizes the need for privacy in blockchain operations. Public blockchains expose all transactions, which poses significant risks for institutions that require confidentiality to protect sensitive financial strategies. Tempo's solution, called Zones, enables private transactions while still allowing operators to view all activities, which raises questions about trust in intermediaries. Alternatively, zero-knowledge (ZK) cryptography presents a method for ensuring privacy without the need for trusted operators, allowing compliance verification without revealing transaction details. As the financial industry recognizes the necessity of moving onchain, the choice between relying on trusted operators versus cryptographic methods will significantly impact risk management and compliance in the future of blockchain technology.