There are many different crypto wallets. Hot wallets offer quick, 24/7 access to your crypto, while cold wallets are better for long-term storage. Non-custodial wallets crypto gamble wealth give you complete authority over your funds, and custodial wallets offer certain conveniences and safeguards. Buy Bitcoin with your Trust Wallet. You can buy from $50-20,000 worth of Bitcoin (BTC) with a credit card/debit card, safely, within the Trust Wallet app. Scan the merchant's QR code. Confirm. Done. A paper wallet is a physical document that contains a public address for receiving Bitcoin and a private key that allows you to spend or transfer Bitcoin stored in that address. Paper wallets are often printed in the form of QR-codes so that you can quickly scan them and add the keys to a software wallet or a wallet app to make a transaction.