EL7.AI
Crypto•22 July 2026•
1 min read

COTI Launches Nightfall Testnet for Institutional Privacy on Ethereum

Key Facts

1COTI launched the Nightfall protocol in its internal testnet phase as a first step toward Ethereum mainnet deployment.
2The protocol is based on ZK Roll-up architecture originally developed by Ernst & Young in 2019 for regulated institutional environments.

In a move aimed at bridging the gap between privacy and regulatory compliance in the crypto sector, COTI has launched the Nightfall protocol in its internal testnet phase. This step represents the initial phase toward full deployment on the Ethereum mainnet to provide advanced privacy solutions. According to reports, the project focuses on meeting the needs of institutions that require data confidentiality without compromising regulatory standards.

The new protocol is based on the ZK Roll-up architecture originally developed by Ernst & Young in 2019, specifically designed for regulated institutional environments. This technology allows for off-chain transaction processing while ensuring security, enhancing Ethereum's efficiency in accommodating institutional use cases. These developments come as major firms seek to adopt blockchain technology while maintaining the confidentiality of business operations.

Traders are closely monitoring the success of the internal testnet as a catalyst before the mainnet transition. In a macro context, investors await the Eurozone CPI data release on July 17, 2026, which may influence risk appetite across digital asset markets.