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Practical guides on crypto payments for business: how to accept them and keep the money safe.

Soft 3D illustration of a protected crypto wallet embedded in a mobile application

What Are Embedded Crypto Wallets? How In-App Wallets Work

Learn how embedded crypto wallets work, who controls the keys, how recovery and export differ, and what teams should check before adding one to an app.

Soft 3D smart crypto wallet using a passkey, recovery protection, sponsored gas, and batched transactions

What Is Account Abstraction? How Smart Wallets and Passkeys Work

Learn how account abstraction enables smart wallets, passkey login, sponsored gas, batched transactions, recovery, and programmable security.

Soft 3D illustration of a user confirming a wallet payment in a Telegram-like mini app environment with abstract coins and network nodes

Can your Telegram Mini App take USDT, or is it Stars only?

If the buyer gets it inside Telegram, it is Stars: about 1.3 cents each, up to 21 days on hold. Anything delivered outside can be paid in USDT.

Soft 3D crypto wallet app with abstract stablecoin tokens, network nodes, and a network fee symbol.

What Is TronLink? TRON Wallet, TRC-20 USDT, Fees, and Security

Learn how TronLink works, why USDT TRC-20 needs TRX for fees, what users should check before paying, and how businesses can reduce payment errors.

Soft 3D image of a mobile crypto wallet linking to a payment QR and biometric confirmation.

What Is WalletConnect? Wallet Linking, Crypto Payments, and Security Explained

Learn how WalletConnect links crypto wallets to apps, what users approve, where payment risks appear, and how wallet-based crypto checkout works.

A shopper taps a Mastercard while different crypto coins flow directly from the card into a payment terminal

Stablecoin Cards Explained: How Crypto Debit Cards Work

Learn how stablecoin cards convert USDT and other crypto balances into card payments, where fees appear, and what users should check.

A finance professional stabilizes a large stablecoin dipping below its target line using reserves and diversified assets

What Is a Stablecoin Depeg and What Should Businesses Do?

Learn why stablecoins lose their peg, how reserves and liquidity affect USDT and USDC, and what businesses should do during a depeg.

A crypto wallet user disconnects a suspicious permission while keeping trusted application connections active

Token Approvals Explained: How to Check and Revoke Wallet Permissions

Learn how token approvals work, why disconnecting a dApp is not enough, and how to check and revoke risky crypto wallet permissions.

Three business team members use separate keys to authorize access to a shared crypto treasury vault

What Is a Multisig Wallet and How Can Businesses Use It?

Learn how multisig wallets work, how 2-of-3 approval protects crypto treasuries, and what businesses should check before setting one up.