Japan expands the crypto compliance framework as tax oversight moves into a cross-border era

Japan is moving deeper into a tightening phase of compliance in the crypto space, with the focus this time not on approving new products or licensing exchanges, but on making digital-asset activity harder to conceal from tax authorities. At the core of this change is the Crypto-Asset Reporting Framework (CARF), a mechanism supported by the OECD to automatically exchange information about certain crypto transactions related to non-residents.

Under new guidance from Japan’s National Tax Agency, the framework will take effect from 1/1/2026, and the first reports will be due in 2027. That places Japan right in line with the expanding cross-border reporting system worldwide, where exchanges become data-collection hubs and users become parties required to clearly declare their identity and their tax residency location.

In terms of day-to-day operations, crypto service providers in Japan will have to verify users’ tax residency, collect self-certifications, and report information related to crypto transactions that fall within the scope of the rules. The required data includes name, address, residency area, foreign tax identification number, type of digital asset, and the total value of transactions.

Notably, this is not a mechanism to publicly monitor all domestic users, but it still significantly changes the market’s compliance infrastructure. When an exchange has to standardize residency verification, record-keeping, and annual reporting, crypto will increasingly resemble a tightly regulated financial market rather than an almost isolated space as before.

The signal from Japan is quite clear: crypto is still allowed to exist and grow, but it is no longer a gray area where anonymity is easy. For users, this means access to licensed exchanges will come with requirements similar to those of traditional banks: identification, classification of tax residency, record retention, and readiness for cross-border reporting.