How to save in US dollars from Mexico, Brazil, or Argentina
Four ways to hold dollars without a US bank account, what each one really is, what it costs to get in and out, and how to do it step by step in Lex.
Lex Blog
Currencies: saving in dollars and other currencies
How to hold dollars, euros, and local currencies, what backs a stablecoin, and what it costs to convert between them.
Guides in this topic
Stablecoins: what backs the dollars, euros, and pesos you hold
What a stablecoin is, who issues USDC and currency stablecoins, why they are not bank deposits, and how to use them for money you will need soon.
Ripio’s local-currency stablecoins
What wARS and the broader wFIAT family do, how backing and redemption differ from market prices, and what Lex supports.
How DeFi can improve currency exchange
Understand Aerodrome, Uniswap v4, liquidity, price impact, and the amount you actually receive from a currency conversion.