On April 20, Japan’s biggest financial institutions launched a trial to put Japanese Government Bonds on a blockchain.
Japan Securities Clearing Corporation, Mizuho Financial Group, Nomura Holdings and Digital Asset Holdings launched a proof-of-concept trial on the Canton Network on April 20 to test JGBs as digital collateral. The initiative was selected by Japan’s Financial Services Agency under its Payment Innovation Project in February 2026.
The goal is straightforward but significant. JGBs are among the highest quality collateral assets held by institutional investors globally. Right now they cannot move outside business hours. This trial tests whether that changes – 24/7 real-time collateral transfers, cross-border settlement, and full legal compatibility under Japan’s Book-Entry Transfer Act and Financial Instruments and Exchange Act.
“We believe that maintaining and strengthening the availability and liquidity of JGBs in the digital space is essential to the development of financial markets and the improvement of investor convenience,” JSCC said in its official statement.
This is where the story gets bigger than Japan.
DTCC announced plans in December 2025 to tokenize US Treasuries on Canton – with production rollout targeted for 2026. JPMorgan announced in January 2026 that its JPM Coin deposit token will be issued natively on Canton.
And the JSCC-DTCC relationship is not new – in 2024 JSCC was the first institution to adopt DTCC’s Digital Launchpad for this exact collateral use case.
This is two of the world’s largest sovereign bond markets.
Tokenized US Treasuries already represent $12.88 billion on-chain as of early April 2026. The broader real-world asset market stands at $26.4 billion – up 380% from 2022. JGBs are not yet meaningfully represented in those figures.
This trial is the beginning of that changing.
If successful, the four participants said the outcome could significantly reduce administrative burdens around posting and substituting collateral – lowering costs for financial institutions and strengthening the international competitiveness of Japan’s financial markets.
No commercial rollout timeline has been announced. This is still a proof of concept.
But the direction is clear. Traditional finance is not experimenting with blockchain anymore. It is building the rails. And for the first time, the world’s two largest sovereign bond markets are pointing in the same direction.
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