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What is a wallet drainer? title over a dark desk with a hardware wallet, steel plate and padlock lit in red.Wallets & SecurityBeginnerWhat is a wallet drainer and how does it steal crypto?A wallet drainer is a scam tool that tricks you into signing away crypto from your wallet. US victims can report the theft to the FTC and the FBI's IC3.3 min read · Updated Oct 5, 2026 The title How to identify a fake wallet app over a dark desk with a phone, padlock and shield in red glow.Wallets & SecurityBeginnerHow to identify a fake crypto wallet appCheck the developer and download only from the wallet company's own website, then study reviews and app permissions for red flags before you install.3 min read · Updated Oct 5, 2026 The guide title, How to verify a wallet address before sending crypto, over a dark desk with a blank hardware wallet, a steel plate and a padlock.Wallets & SecurityBeginnerHow to verify a wallet address before sending cryptoTo verify a wallet address before sending crypto, copy it from a trusted source, compare the full string, confirm the network, and send a test.3 min read · Updated Oct 5, 2026 How to revoke token approvals title over a dark desk with a hardware wallet, steel plate, and padlock on the right.Wallets & SecurityBeginnerHow to revoke token approvals in your walletRevoke token approvals by connecting your wallet to an approval checker, choosing the network, and confirming each revocation onchain for a network fee.3 min read · Updated Oct 5, 2026 A hardware wallet, steel plate, and padlock on a dark navy desk with red glowing accents, left side empty, title only.Wallets & SecurityBeginnerHow to choose between a hot wallet and a cold walletChoose a hot wallet for daily spending and a cold wallet for value you rarely move, then check coin support and keep the recovery phrase offline.3 min read · Updated Oct 5, 2026 How to restore a crypto wallet on a new device title over a dark desk with a blank hardware wallet, steel plate and padlock.Wallets & SecurityBeginnerHow to restore a crypto wallet on a new deviceYou restore a crypto wallet by importing its recovery phrase into the official app or hardware restore flow. Check addresses before sending funds.3 min read · Updated Oct 5, 2026 How to back up a crypto wallet recovery phrase, with a hardware wallet, steel plate, padlock and shield in the right half over a dark navy background.Wallets & SecurityBeginnerHow to back up your crypto wallet recovery phraseWrite your recovery phrase on paper or metal, in order, keep copies in separate places, and test the backup before you rely on it to restore your funds.3 min read · Updated Oct 5, 2026 A dark desk with a closed laptop, a blank smartphone, and a glowing padlock on the right over a dark navy background.Crypto BasicsBeginnerWhat to ask before you use a crypto serviceAsk if a crypto service is registered with a US regulator, how you withdraw cash, and who holds your keys; registration is not bank insurance.3 min read · Updated Oct 5, 2026 The title How do full nodes and light clients differ over a dark background with glowing cyan glass blocks joined by light lines on the right.BlockchainBeginnerHow full nodes and light clients differA full node validates every block itself; a light client asks full nodes or servers for data. Check your wallet's setting before you rely on it.3 min read · Updated Oct 5, 2026 How to check whether a crypto project is still active, with a laptop, phone, padlock, and glowing green network nodes on a dark desk.Crypto BasicsBeginnerHow to check whether a crypto project is still activeA crypto project is active when its team, code and on-chain activity show recent, verifiable signs. Check dated posts, code commits and regulator records.3 min read · Updated Oct 5, 2026 What is a synthetic asset in crypto? glowing price line and glass cube on dark navy backgroundCrypto BasicsBeginnerWhat is a synthetic asset in crypto?A synthetic asset is a crypto token that tracks another asset's price without holding it, backed by collateral and kept in line by price oracles.3 min read · Updated Oct 5, 2026 A guide titled What happens if you lose a seed phrase over a dark navy scene with a steel plate, hardware wallet and padlock.Wallets & SecurityBeginnerWhat happens if you lose a seed phrase?Losing a seed phrase does not erase crypto while your wallet still works, but a reset device cannot be restored without it. No company can regenerate it.3 min read · Updated Oct 5, 2026 The title sits over a dark desk with a hardware wallet, steel plate, padlock and shield lit by red light.Wallets & SecurityBeginnerWhat happens if a hardware wallet breaks?A broken hardware wallet does not erase your crypto. The blockchain holds it, and your recovery phrase usually restores access on a new device.3 min read · Updated Oct 5, 2026 The guide title over a dark navy scene with a blank steel plate, a screenless hardware wallet, blank paper and a padlock in red lightWallets & SecurityBeginnerWhere should you store a seed phrase?Store a seed phrase offline on paper or metal, never as a digital file, and keep fireproof and waterproof backups in separate secure places.3 min read · Updated Oct 5, 2026 The guide title over a dark desk with a hardware wallet, steel plate, padlock and shield tag in red light.Wallets & SecurityBeginnerHow to set up a hardware wallet safelySet up a hardware wallet yourself, buy from the maker, check the packaging, and use the official app. Keep the recovery phrase offline and private. Never type or share it with anyone.3 min read · Updated Oct 5, 2026 A dark navy scene with blank metallic tokens, a glass block and a blank circuit board linked by lime green light, title overlaid.Crypto BasicsBeginnerHow to distinguish a token from its underlying projectTo distinguish a token from its underlying project, confirm the contract address in the official docs, then check its contract on a blockchain explorer.3 min read · Updated Oct 5, 2026 The title How does a crypto protocol upgrade work appears over glowing glass blocks and nodes on a dark navy background.Crypto BasicsBeginnerCrypto protocol upgrades: how they work and what you doA crypto protocol upgrade changes the rules nodes enforce, through proposals, testing and activation. Most holders only update their wallet software.3 min read · Updated Oct 5, 2026 The title What is composability in Web3? over glowing glass blocks joined by lime light on a dark navy background.Crypto BasicsBeginnerComposability in Web3: how contracts build on each otherComposability in Web3 means smart contracts can call each other and combine like Lego bricks, so apps reuse code and liquidity on one chain.3 min read · Updated Oct 5, 2026 The title What is a blockchain fork? over glowing cyan glass blocks linked by light on a dark navy background.BlockchainBeginnerBlockchain forks: what they are and what happens to your coinsA blockchain fork is a rule change that splits or redirects a network's history. Hard forks create two chains, and your wallet decides what to credit.3 min read · Updated Oct 5, 2026 A dark navy desk with a blank security token, a steel key fob and a padlock, lit by lime green light, with the guide title over it.Crypto BasicsBeginnerSecurity tokens: what they are and how US rules treat themA security token is a blockchain token that stands for an investment or financial claim. US law usually applies securities rules, and the Howey test decides.4 min read · Updated Oct 5, 2026 Title over a dark navy background with a rising then falling glowing lime line, blank coins and a glass vault on the right.Crypto BasicsBeginnerCrypto market cycle stages: accumulation to downtrendA crypto market cycle usually has four stages: accumulation, uptrend, distribution, and downtrend. Stage lengths vary and crypto trades around the clock.3 min read · Updated Oct 5, 2026 The title What is on-chain governance? over a dark navy background with glass blocks linked by lime green light.Crypto BasicsBeginnerWhat is on-chain governance and how does it work?On-chain governance lets token holders vote on blockchain proposals that can change a protocol's rules. Learn how votes, quorum and execution work.3 min read · Updated Oct 5, 2026 The title What is permissionless access in crypto? over dark linked glass blocks glowing lime green on a navy background.Crypto BasicsBeginnerPermissionless access in crypto: what it is and how it worksPermissionless access in crypto means anyone can use a blockchain without approval. It relies on public ledgers and open protocols, not identity checks.3 min read · Updated Oct 5, 2026 The title What is censorship resistance? over a dark navy scene with a glowing glass network node, padlock and blank screen on the right.Crypto BasicsBeginnerWhat is censorship resistance in crypto?Censorship resistance means no single actor can block valid crypto transactions unless it controls most block production. Rules can change it.3 min read · Updated Oct 5, 2026 The title What is a crypto node over rows of cyan-lit server racks on a dark navy backgroundBlockchainBeginnerWhat is a crypto node and what does it do?A crypto node is a computer that keeps a copy of a blockchain and checks its rules. It relays transactions and rejects blocks that break the rules.3 min read · Updated Oct 5, 2026 A glowing lime green chain of linked blocks on a dark navy background with the guide title.Crypto BasicsBeginnerBlock confirmation: what it means for a crypto transactionA block confirmation means a transaction is included in a block on the blockchain. Each later block adds one, making a reversal harder over time.3 min read · Updated Oct 5, 2026 A dark desk with a glowing green terminal, cables, a blank sheet and glass blocks, titled How are new cryptocurrencies launched?Crypto BasicsBeginnerHow New Cryptocurrencies Are Launched: What It TakesNew cryptocurrencies are launched by deploying code to a blockchain or starting a new network. US securities, money-transmitter and tax rules can apply.3 min read · Updated Oct 5, 2026 The title 'What does trustless mean in cryptocurrency?' over a dark navy background with glowing glass blocks linked by lime green light.Crypto BasicsBeginnerWhat does trustless mean in cryptocurrency?Trustless means you do not rely on a bank or company to verify crypto transactions. Public ledgers and consensus rules let many computers agree.3 min read · Updated Oct 5, 2026 A dark navy cover with glowing cyan blocks joined by light on the right and the guide title on the left.BlockchainBeginnerHow to assess whether a blockchain is decentralizedCheck who runs nodes, produces blocks, controls upgrades and holds tokens. Decentralization varies by function, so record findings and recheck later.2 min read · Updated Oct 5, 2026 The title What is decentralization in cryptocurrency? over a dark navy background with glowing glass blocks linked by lime green light.Crypto BasicsBeginnerWhat decentralization means in cryptoDecentralization in crypto means no single company or person controls the network. Nodes, validators, and users share that control in different ways.3 min read · Updated Oct 5, 2026