YouHodler is a solid “all-in-one” option for users who prioritize simple conversions, multiple fiat rails, and collateralized products, with a custody story centered on Ledger Vault and published fee/limits tables that are easier to audit than many broker-style apps. The trade-off is that it remains a custodial platform without proof-of-reserves confirmed in the provided materials, and its higher-risk tools (MultiHODL/Turbocharge) require careful risk controls and active monitoring. Exchanges are trading venues, not vaults — minimize idle balances and withdraw to self-custody when you’re not actively using the products.