Russia’s central bank has finalized rules allowing exchanges to offer Bitcoin (BTC), Ether (ETH) and Tether USDt (USDT) to retail investors starting Nov. 17.

Under the rules, non-qualified investors can purchase up to 300,000 rubles (around $3,700) in cryptocurrency annually through each intermediary, including brokers, asset managers and crypto exchange providers. Qualified investors face no purchase limits, but all investors must pass a mandatory test before trading.

The directive builds on legislation signed by Russian President Vladimir Putin on Aug. 4 establishing a regulated cryptocurrency market under central bank oversight.

A week later, on Aug. 11, the Bank of Russia published its draft regulations, identifying BTC, ETH and USDT…