The Sumar group in the Spanish parliament has submitted amendments to the House of Representatives to amend three tax laws to strengthen the taxation of cryptocurrencies. The proposal proposes to include non-financial instrument crypto-asset gains in the general personal income tax base, with a tax rate of up to 47%, instead of the current 30% cap on the savings tax base. It also stipulates that such gains should be levied at a 30% rate in the corporate income tax. The proposal also requires Spa...