Google Cloud Steps into the Blockchain Era: Neutral Ledger GCUL for Financial Institutions
Introduction to the Project
Google Cloud announced the launch of its own blockchain platform, Google Cloud Universal Ledger (GCUL), designed for financial institutions. The project is positioned as a neutral infrastructure for banks and payment systems, capable of enabling payment automation and digital asset management. The announcement was made on August 26, 2025, by Rich Widmann, Head of Web3 Strategy at Google Cloud, via LinkedIn. GCUL operates in a private testnet mode, with plans to disclose additional details in the coming months.
Key Features
GCUL is described as a Layer 1 network supporting smart contracts written in Python. The platform uses Google's distributed network to ensure performance and reliability, emphasizing its neutrality: "Tether will not use Circle's blockchain, and Adyen is unlikely to use Stripe's blockchain. But any financial institution can build solutions on GCUL," noted Widmann. The service is accessible through a unified API, with an emphasis on regulatory compliance as a private network with controlled access, distinguishing it from public blockchains like Bitcoin or Ethereum.
Partnership and Application
The GCUL initiative is being developed in partnership with CME Group, one of the world's largest commodity exchanges. Since March 2025, CME has been testing the platform for wholesale payments and asset tokenization, focusing on institutional investors and the B2B segment. This underscores the focus on traditional financial players, offering an alternative to existing solutions without direct competition.
Criticism from the Crypto Community
Despite its ambitions, the project has sparked controversy: many in the crypto community dispute GCUL's status as a decentralized blockchain due to its private nature and centralized control. Critics argue that such a system is closer to corporate databases rather than true blockchains.
Analysis and Prospects
GCUL may accelerate the integration of blockchain into traditional finance, reducing cross-border payment costs and enhancing the efficiency of 24/7 markets. However, success depends on acceptance by regulators and banks; amid growing interest from Big Tech in blockchain (e.g., by Stripe and Circle), GCUL increases competition, potentially spurring innovation in the sector. Full launch is expected in 2026.