Lisbon, Portugal, April 4th, 2023, Chainwire Guarda Wallet, a non-custodial crypto wallet, and Simplex by Nuvei, an industry-leading fiat-to-crypto on-ramp solution provider, have launched a promotional deal for zero-fee cryptocurrency purchases when paying with EUR. This means that European users can now buy BTC, ETH and LTC at no additional charge. This joint promotion by Guarda Wallet and Simplex is available exclusively