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Two factor authentication guide cover with a dark desk, a phone, a security key and a glowing red padlock on the right.Wallets & SecurityBeginnerHow to use two-factor authentication for crypto accountsTurn on 2FA in your crypto account settings, pick an authenticator app or hardware key over SMS codes, and keep backup codes on paper.3 min read · Updated Oct 5, 2026 A dark navy vault room with stacks of blank coins lit in teal on the right, the left half empty, carrying the guide title and the Tether logo.Stablecoins & NetworksBeginnerWhat happens if you send USDT on the wrong networkUSDT sent on the wrong network usually confirms, but the recipient may not credit it. Recovery depends on who controls the receiving address.2 min read · Updated Oct 5, 2026 The title What are the risks of holding USDT? and the Tether logo over a dark navy scene with a glass vault and stacks of blank coins.Stablecoins & NetworksBeginnerRisks of holding USDT: peg, freezes, reservesHolding USDT carries issuer, peg, freeze and network risks. Tether publishes attestations rather than full audits, and USDT is not FDIC insured.3 min read · Updated Oct 5, 2026 The guide title sits above a dark navy background with blank reserve reports, a calculator, and a glass vault of coins in teal light.Stablecoins & NetworksBeginnerHow to assess stablecoin reserve disclosuresYou assess a stablecoin's reserve disclosures by opening the issuer's latest report, comparing reserves with tokens outstanding, and checking redemption terms.3 min read · Updated Oct 5, 2026 A dark navy desk with a blank-screen phone, blank card, padlock and shield tag glowing red on the right, left side empty.Wallets & SecurityBeginnerHow to recognize a crypto giveaway scamA giveaway scam asks for crypto, a fee, or your seed phrase. Check the project's official website and verified accounts before you trust a prize.3 min read · Updated Oct 5, 2026 A dark navy vault with a steel safe door, blank glowing keypad and stacks of blank coins under red lightWallets & SecurityBeginnerExchange custody: what you gain and give upExchange custody means the platform holds your keys, trading convenience for counterparty risk; crypto balances are not FDIC or SIPC insured.3 min read · Updated Oct 5, 2026 The guide title over a dark desk with a blank-screen hardware wallet, a steel plate and a padlock lit in red.Wallets & SecurityBeginnerWhat to do after connecting a wallet to a suspicious siteAfter you connect to a suspicious site, disconnect it, sign nothing, and revoke its approvals. If you typed your seed phrase, move funds to a new wallet.3 min read · Updated Oct 5, 2026 How to check whether a stablecoin can be redeemed, with a glass vault, blank coins and banknote paper on a dark teal-lit desk.Stablecoins & NetworksBeginnerHow to check whether a stablecoin can be redeemedCheck stablecoin redemption by reading the issuer's terms, finding the official portal, and confirming the token contract. Pegs do not guarantee direct redemption.3 min read · Updated Oct 5, 2026 The guide title over a dark navy background with stacks of blank coins, a glass vault and blank banknote sheets on the right.Stablecoins & NetworksBeginnerHow stablecoins maintain their pegStablecoins usually hold their peg through reserves and arbitrage. Many fiat-backed issuers publish attestations, and an attestation is not a full audit.3 min read · Updated Oct 5, 2026 A dark navy scene with a blank phone, chat bubble and key fob lit by red glow on the right, and an empty left half.Wallets & SecurityBeginnerHow to avoid fake crypto customer support scamsReal crypto support will not ask for your seed phrase, password, or two-factor code, so get help inside the official app and report imposters to the FTC.3 min read · Updated Oct 5, 2026 The title What is crypto self custody appears over a dark desk with a hardware wallet and steel plate lit by red glow.Wallets & SecurityBeginnerCrypto self-custody: what it is and how it worksCrypto self-custody means you hold the private keys, not an exchange. A recovery phrase usually restores access if your device is lost or broken.3 min read · Updated Oct 5, 2026 The title What to do if you sent crypto to the wrong address over a dark desk with a glowing padlock, blank wallet and steel plate.Wallets & SecurityBeginnerSent crypto to the wrong address? What you can doCrypto transfers cannot be reversed. Recovery depends on the address mistake. Check the address and network, then contact the owner or exchange support.3 min read · Updated Oct 5, 2026 The guide title over a dark navy scene with a blank notebook, pen, phone and folder on the right half.Wallets & SecurityBeginnerHow to document a suspected crypto scamCollect hashes, wallet addresses, dates, amounts, and scammer messages, then save unedited copies, build a timeline, and report to the FTC and IC3.3 min read · Updated Oct 5, 2026 The guide title over a dark desk with a hardware wallet, steel plate and padlock in red and navy.Wallets & SecurityBeginnerHow to verify a crypto wallet download linkStart at the wallet's official website, then compare the installer checksum with the release page. Avoid search ads and links sent in messages.3 min read · Updated Oct 5, 2026 Title about testing a wallet backup over a dark desk with a hardware wallet, steel plate, padlock and shield lit in red.Wallets & SecurityBeginnerHow to test a wallet backup before relying on itTest a wallet backup by restoring it on a clean device and comparing the addresses and balances with your current wallet before you rely on it.3 min read · Updated Oct 5, 2026 The title What is a paper wallet and what are its risks over a dark desk with blank paper and a key card lit in red.Wallets & SecurityBeginnerWhat is a paper wallet and what are its risks?A paper wallet is a printed private key or seed phrase kept offline. Anyone who sees the paper can spend the crypto, and losing it means losing the funds.3 min read · Updated Oct 5, 2026 The guide title over a dark desk with a hardware wallet, steel plate, and padlock on the right.Wallets & SecurityBeginnerHow to secure a crypto account after a data breachSecure a crypto account after a data breach by changing passwords, adding app-based codes, revoking sessions and API keys, and checking withdrawals.3 min read · Updated Oct 5, 2026 How to recognize a crypto phishing site title over a dark desk with a laptop, a security key and a padlock in red light.Wallets & SecurityBeginnerHow to recognize a crypto phishing siteYou can recognize a crypto phishing page by checking the web address, the certificate, and the domain's registration date. A padlock is not proof.3 min read · Updated Oct 5, 2026 A dark desk with a safe, sealed envelope, blank folder, pen and key under a red lamp glow.Wallets & SecurityBeginnerHow to plan inheritance for cryptocurrency holdingsPlan inheritance for cryptocurrency holdings by naming beneficiaries and documenting access. Heirs may need a court order for exchange accounts.2 min read · Updated Oct 5, 2026 The title What is a wallet passphrase sits over a dark navy scene with a hardware wallet, steel plate and padlock lit in red.Wallets & SecurityBeginnerWhat a wallet passphrase is and what it opensA wallet passphrase is a password that encrypts a wallet, and in many wallets it is an extra word added to your recovery seed that opens a hidden wallet.3 min read · Updated Oct 5, 2026 The title What is a wallet derivation path with a dark navy desk, a blank hardware wallet, a steel plate and a padlock in red glow.Wallets & SecurityBeginnerWallet derivation paths: what they are and why they matterA wallet derivation path is the route from one recovery phrase to specific keys. A different path creates different keys, so funds can look missing.3 min read · Updated Oct 5, 2026 The title What is a watch only wallet? over a dark desk with a hardware wallet with a blank screen and a steel plate.Wallets & SecurityBeginnerWhat is a watch-only wallet and what is it for?A watch-only wallet tracks addresses and balances with public keys only, so it cannot sign or send crypto. You set it up by importing an xpub.3 min read · Updated Oct 5, 2026 The title over a dark navy background with a padlock, a blank hardware wallet and keycards lit by red accentsWallets & SecurityBeginnerMultisig wallets: when they make sense and how they workA multisignature wallet makes sense when no single person, key, or device should control funds alone. Shared treasuries and joint custody often use it.3 min read · Updated Oct 5, 2026 What is a multisignature wallet title over a dark navy background with a blank-screen wallet device, steel plate, padlock and shield in red light.Wallets & SecurityBeginnerMultisignature wallets: what they are and how they workA multisignature wallet requires more than one key to approve a transaction, so a single lost key cannot move the funds. Each owner holds a separate key.3 min read · Updated Oct 5, 2026 A dark navy desk with a glowing red fingerprint scanner, a security key fob and a blank keypad, the left side empty and dark.Wallets & SecurityBeginnerHow to protect a crypto exchange account with passkeysPasskeys replace your exchange password with your device unlock and can approve withdrawals where supported. Register a backup device to avoid lockout.3 min read · Updated Oct 5, 2026 A dark navy desk with a blank-screen hardware wallet, a steel plate, a padlock and a shield lit by red accents, the left side empty.Wallets & SecurityBeginnerHow to separate a spending wallet from long-term storageUse a hot wallet app for small spending and a separate hardware wallet with its own seed phrase for long-term storage, then keep records of moves.3 min read · Updated Oct 5, 2026 A blank phone chip card, a dark phone with a blank screen and a metal key on a navy desk, lit by a red glow.Wallets & SecurityBeginnerWhat is SIM swapping and why does it matter for crypto?A SIM swap moves your phone number to a criminal's SIM, and crypto exchanges that use SMS codes can be exposed. Warning signs and protections matter.3 min read · Updated Oct 5, 2026 A blank hardware wallet, a steel plate and a padlock on a dark navy desk lit by glowing red light, with the left side dark and empty.Wallets & SecurityBeginnerMalicious token approvals: what they are and how they workA malicious token approval is a permission you sign that lets a scammer move a token from your wallet later. Revoking it takes another transaction.3 min read · Updated Oct 5, 2026 The guide title sits over a dark desk with a hardware wallet, a steel plate, a padlock and a red glowing shield edge.Wallets & SecurityBeginnerHow to check wallet permissions before signing a transactionYou can check wallet permissions before signing by reading the approval screen, matching the spender address, and checking your token allowances.3 min read · Updated Oct 5, 2026 The title What is address poisoning in crypto over a dark navy desk with blank address book pages and a thin glowing red line.Wallets & SecurityBeginnerWhat is address poisoning in crypto?Address poisoning is a crypto scam that sends tiny transactions from lookalike addresses. Attackers hope you copy the fake address and send funds to it.4 min read · Updated Oct 5, 2026