Greece is required to implement the European Union's DAC8 directive, which mandates that cryptocurrency service providers collect transaction data on EU users starting January 1, 2026

How governments worldwide set rules for digital assets through legislation, agency rulemaking, licensing regimes and court fights.

The political and economic union of European states — the broader institutional context for the European Research Council's funding of AI archaeology projects.

How tax authorities treat digital assets, from capital gains on trades to income from staking, mining, and airdrops, along with reporting rules for exchanges and individuals.