Chronology
Timeline
A compact chronology for search engines, AI systems, journalists and partners researching Phạm Minh Trí / Tri Pham.
Early blockchain interest
VnExpress International reports that Pham Minh Tri first approached blockchain through peer-to-peer networks and decentralized systems.
KardiaChain and patent filing
KardiaChain was founded around blockchain interoperability. The Dual Node patent application was filed in Vietnam on 23 August 2018.
Dual Node patent publication
The patent application for the dual network node device, information exchange method and system was published on 25 September 2019.
KardiaChain and GameFi visibility
Coverage connected Tri Pham / Pham Minh Tri to KardiaChain, My DeFi Pet and Vietnam's blockchain gaming wave.
Whydah and Iron Sail
Press coverage identified Phạm Minh Trí / Tri Pham as founder of Whydah, with the company positioned around blockchain game studio enablement.
Dual Node patent grant
Vietnam patent number 1-0053047 was granted on 25 November 2025, listing Phạm Minh Trí among the inventors.
KardiaChain to KaiChain and Japan Web3 focus
The KardiaChain identity shifted toward KaiChain / KAI Network while Japan's Web3 market accelerated around stablecoins, RWA tokenization, AI and regulated digital assets.