セキュリティガイド
A Web3 security checklist to run before every signature
One short mental checklist, used every time, prevents the majority of avoidable losses.
ガイドを読む → GuideUnderstanding gas so scams cannot exploit your confusion
Scams often hide behind fee confusion. Basic gas literacy removes that leverage.
ガイドを読む → AwarenessRecovery scams: the second wave after a loss
After a theft, scammers target victims again with fake "fund recovery" services.
ガイドを読む → GuideGetting the most safety out of a hot wallet
Hot wallets are necessary for daily use. These habits keep them from becoming a liability.
ガイドを読む → SecurityThe four signatures behind most wallet drains
A handful of signature types cause most losses. Memorize them and you can stop the worst.
ガイドを読む → GuideHardening your browser for Web3
Your browser is where most wallet interactions happen. A few settings reduce your attack surface.
ガイドを読む → GuideDeFi risk beyond phishing: smart contract and protocol risk
Even safe behavior cannot remove protocol risk. Understanding it helps you size positions.
ガイドを読む → AwarenessWhy scam tokens show up in your wallet history
Unsolicited tokens in your history are usually bait. Here is what to do with them.
ガイドを読む → GuidePrivate key storage: what to do and what to never do
Your private key and seed phrase demand offline, redundant, private storage. Here is the standard.
ガイドを読む → SecurityFake liquidity pools and honeypot tokens
Some tokens let you buy but never sell. Here is how honeypots trap buyers.
ガイドを読む → GuideTestnets and airdrops: staying safe while farming
Airdrop farming pushes users to many new dapps fast — exactly where drainers wait.
ガイドを読む → GuideSetting approval limits instead of unlimited access
When an app lets you cap an approval, take it. It is a simple, powerful safety habit.
ガイドを読む → AwarenessRomance scams that end in crypto losses
Emotional manipulation is the vehicle; crypto is just the payout. Know the pattern.
ガイドを読む → GuideUsing a block explorer to double-check anything on-chain
A block explorer is a free tool that turns confusion into facts. Learn the basics.
ガイドを読む → GuideWallet connection hygiene: connect less, stay safer
Every site you connect to is a little more exposure. Minimizing connections reduces risk.
ガイドを読む → AwarenessHow to spot a crypto phishing email
Fake exchange and wallet emails are a top entry point. A few checks expose them.
ガイドを読む → GuideWithdrawing from an exchange safely: avoiding costly mistakes
A wrong address or network on withdrawal can lose funds permanently. Check twice.
ガイドを読む → SecurityFake NFT mint sites and how drainers exploit hype
During a hot mint, fake sites appear within minutes. Speed is the attacker ally.
ガイドを読む → SecurityDusting attacks: tiny transfers that track and target you
A dust of tokens can be a tracking tag or the first step of a scam. Here is what it means.
ガイドを読む → AwarenessPig butchering scams: long cons that target crypto holders
These scams build trust over weeks before the ask. Recognizing the arc protects you.
ガイドを読む → Awareness"Send 1, get 2 back": why crypto giveaway scams never pay
The oldest trick in crypto still works because it looks official. Here is the anatomy.
ガイドを読む → GuideReading wallet signature requests without getting lost
The wallet pop-up tells you what you are about to authorize — if you know how to read it.
ガイドを読む → GuideWhat to do immediately after a wallet is compromised
Fast, correct action after a drain can save whatever remains. Here is the order of operations.
ガイドを読む → SecurityFake browser and wallet update prompts that install malware
A pop-up urging you to update can be the malware itself. Here is how to tell.
ガイドを読む → GuideA safe first week in DeFi: a beginner checklist
New users are targeted hardest. A few habits from day one prevent most disasters.
ガイドを読む → AwarenessSocial engineering: the human side of crypto theft
Most successful attacks exploit trust and urgency, not code. Recognizing the tactics is your defense.
ガイドを読む → GuideUsing an approval checker: a monthly habit worth keeping
A quick monthly review of your approvals closes risks before they are exploited.
ガイドを読む → SecurityCross-chain bridges: convenience with concentrated risk
Bridges move assets between chains but have been among the biggest hack targets. Use them carefully.
ガイドを読む → AwarenessNFT scams beyond theft: wash trading and fake floors
Not every NFT risk is a drainer. Manipulated prices can cost you just as much.
ガイドを読む → GuideCold vs hot wallets: how to split your crypto for safety
Keeping everything in one hot wallet is a single point of failure. A simple split reduces risk a lot.
ガイドを読む → AwarenessGas fee and "wallet validation" scams explained
Some scams ask for a small fee or "validation" to unlock funds. The fee is the theft.
ガイドを読む → AwarenessFake support: why real help never slides into your DMs
Impersonators posing as support are behind countless drains. The rule is simple once you know it.
ガイドを読む → GuideMultisig wallets: stronger protection for serious holdings
Requiring multiple approvals for a transaction removes the single point of failure. Here is the idea.
ガイドを読む → AwarenessLook-alike domains: the one-character trick behind most phishing
Swapped letters and extra words turn a trusted name into a trap. Train your eye to catch them.
ガイドを読む → GuideHow to check a smart contract before you interact with it
A few quick checks on a block explorer can reveal whether a contract is safe to touch.
ガイドを読む → SecurityMalicious contracts disguised as routine DeFi actions
A "swap" or "stake" button can hide a drainer. Understanding the signature protects you.
ガイドを読む → SecuritySIM swapping: why SMS 2FA can lose you your crypto
Attackers hijack your phone number to defeat SMS codes and reset accounts. Here is how to harden up.
ガイドを読む → AwarenessRug pulls: warning signs before a project disappears with your money
A rug pull looks like a promising project until the team drains liquidity and vanishes. Spot it early.
ガイドを読む → SecurityFake wallet extensions in browser stores: how to avoid them
Malicious copies of popular wallets slip into extension stores. Installing one hands over everything.
ガイドを読む → AwarenessWhy most wallet drains start in Discord and Telegram
The link that empties a wallet usually arrives in a chat, not a search. Here is the pattern.
ガイドを読む → SecurityPermit and Permit2: the gasless signatures attackers love
These off-chain signatures do not show up in your transaction history — which is exactly why they are abused.
ガイドを読む → SecurityDrainer-as-a-service: how modern wallet theft is industrialized
Wallet drainers are now sold as ready-made kits. Understanding the model helps you defend against it.
ガイドを読む → GuideSeed phrase safety: rules that actually keep you safe
Your seed phrase is the master key to everything. One leak and it is over. Here is how to guard it.
ガイドを読む → SecurityClipboard hijacking: malware that swaps the address you paste
Some malware silently replaces a copied crypto address with the attacker one. Here is how to catch it.
ガイドを読む → AwarenessHow fake airdrop scams drain wallets
Unexpected tokens appear in your wallet. Claiming them is the trap. Here is what really happens.
ガイドを読む → GuideHardware wallets: what they protect against and what they do not
A hardware wallet is powerful but not magic. Knowing its limits keeps you from a false sense of safety.
ガイドを読む → SecurityIce phishing: the approval scam that empties wallets quietly
Ice phishing does not steal your keys. It tricks you into approving a malicious contract. Learn to spot it.
ガイドを読む → GuideHow to revoke token approvals and clean up your wallet
Old approvals pile up silently and stay exploitable. Here is how to find and remove them.
ガイドを読む → SecurityWhat is address poisoning and how to avoid it
Attackers seed your transaction history with look-alike addresses hoping you copy the wrong one. Here is how it works.
ガイドを読む → SecurityWhy setApprovalForAll can cost you your entire NFT collection
One signature can hand over every NFT in a collection. Here is when it is normal and when it is a trap.
ガイドを読む → SecurityHow token approvals drain wallets — and how to revoke them
Most wallet drains do not steal your keys. They abuse an approval you signed. Here is how approvals work and how to take them back.
ガイドを読む → WalletConnectWhat is WalletConnect and how to use it safely
WalletConnect links your wallet to dapps. Used carelessly it can also link you to a drainer. Here is how to stay safe.
ガイドを読む → AwarenessSeven phishing red flags every Web3 user should know
Learn the warning signs that a site or message is trying to drain your wallet.
ガイドを読む → GuideHow to verify a crypto website before connecting your wallet
A quick checklist to tell a real crypto site from a phishing clone.
ガイドを読む → SecurityWhat is a wallet drainer and how to protect yourself
Wallet drainers trick you into signing away your assets. Here is how they work and how to stay safe.
ガイドを読む → PerpsHyperliquid phishing explained
How Hyperliquid phishing scams work and how to stay safe.
ガイドを読む → PerpsdYdX phishing explained
How dYdX phishing scams work and how to stay safe.
ガイドを読む → PerpsGMX phishing explained
How GMX phishing scams work and how to stay safe.
ガイドを読む → PerpsJupiter phishing explained
How Jupiter phishing scams work and how to stay safe.
ガイドを読む → PerpsDrift Protocol phishing explained
How Drift Protocol phishing scams work and how to stay safe.
ガイドを読む → PerpsVertex Protocol phishing explained
How Vertex Protocol phishing scams work and how to stay safe.
ガイドを読む → PerpsAevo phishing explained
How Aevo phishing scams work and how to stay safe.
ガイドを読む → PerpsAster phishing explained
How Aster phishing scams work and how to stay safe.
ガイドを読む → PerpsPerpetual Protocol phishing explained
How Perpetual Protocol phishing scams work and how to stay safe.
ガイドを読む → PerpsKwenta phishing explained
How Kwenta phishing scams work and how to stay safe.
ガイドを読む → PerpsSynthetix phishing explained
How Synthetix phishing scams work and how to stay safe.
ガイドを読む → PerpsLevel Finance phishing explained
How Level Finance phishing scams work and how to stay safe.
ガイドを読む → DEXUniswap phishing explained
How Uniswap phishing scams work and how to stay safe.
ガイドを読む → DEXPancakeSwap phishing explained
How PancakeSwap phishing scams work and how to stay safe.
ガイドを読む → DEXSushiSwap phishing explained
How SushiSwap phishing scams work and how to stay safe.
ガイドを読む → DEXCurve Finance phishing explained
How Curve Finance phishing scams work and how to stay safe.
ガイドを読む → DEXBalancer phishing explained
How Balancer phishing scams work and how to stay safe.
ガイドを読む → DEX1inch phishing explained
How 1inch phishing scams work and how to stay safe.
ガイドを読む → DEXMatcha phishing explained
How Matcha phishing scams work and how to stay safe.
ガイドを読む → DEXParaSwap phishing explained
How ParaSwap phishing scams work and how to stay safe.
ガイドを読む → DEXOpenOcean phishing explained
How OpenOcean phishing scams work and how to stay safe.
ガイドを読む → DEXKyberSwap phishing explained
How KyberSwap phishing scams work and how to stay safe.
ガイドを読む → DEXOdos phishing explained
How Odos phishing scams work and how to stay safe.
ガイドを読む → DEXRango Exchange phishing explained
How Rango Exchange phishing scams work and how to stay safe.
ガイドを読む → DEXLiFi phishing explained
How LiFi phishing scams work and how to stay safe.
ガイドを読む → DEXSymbiosis phishing explained
How Symbiosis phishing scams work and how to stay safe.
ガイドを読む → BridgeAcross Protocol phishing explained
How Across Protocol phishing scams work and how to stay safe.
ガイドを読む → BridgeStargate Finance phishing explained
How Stargate Finance phishing scams work and how to stay safe.
ガイドを読む → BridgeLayerZero phishing explained
How LayerZero phishing scams work and how to stay safe.
ガイドを読む → BridgeWormhole phishing explained
How Wormhole phishing scams work and how to stay safe.
ガイドを読む → BridgeOrbiter Finance phishing explained
How Orbiter Finance phishing scams work and how to stay safe.
ガイドを読む → BridgeSynapse phishing explained
How Synapse phishing scams work and how to stay safe.
ガイドを読む → BridgeHop Protocol phishing explained
How Hop Protocol phishing scams work and how to stay safe.
ガイドを読む → BridgeCeler cBridge phishing explained
How Celer cBridge phishing scams work and how to stay safe.
ガイドを読む → WalletConnectWalletConnect phishing explained
How WalletConnect phishing scams work and how to stay safe.
ガイドを読む → WalletMetaMask Portfolio phishing explained
How MetaMask Portfolio phishing scams work and how to stay safe.
ガイドを読む → WalletRabby Wallet phishing explained
How Rabby Wallet phishing scams work and how to stay safe.
ガイドを読む → WalletZerion phishing explained
How Zerion phishing scams work and how to stay safe.
ガイドを読む → WalletZapper phishing explained
How Zapper phishing scams work and how to stay safe.
ガイドを読む → WalletDeBank phishing explained
How DeBank phishing scams work and how to stay safe.
ガイドを読む → WalletRainbow Wallet phishing explained
How Rainbow Wallet phishing scams work and how to stay safe.
ガイドを読む → ScannerDexScreener phishing explained
How DexScreener phishing scams work and how to stay safe.
ガイドを読む → ScannerDexTools phishing explained
How DexTools phishing scams work and how to stay safe.
ガイドを読む → ScannerDefined phishing explained
How Defined phishing scams work and how to stay safe.
ガイドを読む → ScannerGeckoTerminal phishing explained
How GeckoTerminal phishing scams work and how to stay safe.
ガイドを読む → ScannerBirdeye phishing explained
How Birdeye phishing scams work and how to stay safe.
ガイドを読む → ScannerDexGuru phishing explained
How DexGuru phishing scams work and how to stay safe.
ガイドを読む → NFTOpenSea phishing explained
How OpenSea phishing scams work and how to stay safe.
ガイドを読む → NFTBlur phishing explained
How Blur phishing scams work and how to stay safe.
ガイドを読む → NFTMagic Eden phishing explained
How Magic Eden phishing scams work and how to stay safe.
ガイドを読む → NFTTensor phishing explained
How Tensor phishing scams work and how to stay safe.
ガイドを読む → NFTLooksRare phishing explained
How LooksRare phishing scams work and how to stay safe.
ガイドを読む → NFTX2Y2 phishing explained
How X2Y2 phishing scams work and how to stay safe.
ガイドを読む → LendingAave phishing explained
How Aave phishing scams work and how to stay safe.
ガイドを読む → LendingCompound phishing explained
How Compound phishing scams work and how to stay safe.
ガイドを読む → LendingMaker phishing explained
How Maker phishing scams work and how to stay safe.
ガイドを読む → LendingMorpho phishing explained
How Morpho phishing scams work and how to stay safe.
ガイドを読む → LendingVenus phishing explained
How Venus phishing scams work and how to stay safe.
ガイドを読む → LendingRadiant phishing explained
How Radiant phishing scams work and how to stay safe.
ガイドを読む → LendingSpark Protocol phishing explained
How Spark Protocol phishing scams work and how to stay safe.
ガイドを読む → StakingLido phishing explained
How Lido phishing scams work and how to stay safe.
ガイドを読む → StakingRocket Pool phishing explained
How Rocket Pool phishing scams work and how to stay safe.
ガイドを読む → StakingJito phishing explained
How Jito phishing scams work and how to stay safe.
ガイドを読む → StakingMarinade phishing explained
How Marinade phishing scams work and how to stay safe.
ガイドを読む → StakingEigenLayer phishing explained
How EigenLayer phishing scams work and how to stay safe.
ガイドを読む → YieldPendle phishing explained
How Pendle phishing scams work and how to stay safe.
ガイドを読む → YieldCamelot phishing explained
How Camelot phishing scams work and how to stay safe.
ガイドを読む → YieldRaydium phishing explained
How Raydium phishing scams work and how to stay safe.
ガイドを読む → YieldOrca phishing explained
How Orca phishing scams work and how to stay safe.
ガイドを読む → YieldMeteora phishing explained
How Meteora phishing scams work and how to stay safe.
ガイドを読む → YieldPolkastarter phishing explained
How Polkastarter phishing scams work and how to stay safe.
ガイドを読む → YieldDAO Maker phishing explained
How DAO Maker phishing scams work and how to stay safe.
ガイドを読む → ExplorerEtherscan phishing explained
How Etherscan phishing scams work and how to stay safe.
ガイドを読む → ExplorerBasescan phishing explained
How Basescan phishing scams work and how to stay safe.
ガイドを読む → ExplorerArbiscan phishing explained
How Arbiscan phishing scams work and how to stay safe.
ガイドを読む → ExplorerBscScan phishing explained
How BscScan phishing scams work and how to stay safe.
ガイドを読む → ExplorerSolscan phishing explained
How Solscan phishing scams work and how to stay safe.
ガイドを読む → ExplorerTronscan phishing explained
How Tronscan phishing scams work and how to stay safe.
ガイドを読む → AirdropGalxe phishing explained
How Galxe phishing scams work and how to stay safe.
ガイドを読む → AirdropLayer3 phishing explained
How Layer3 phishing scams work and how to stay safe.
ガイドを読む → AirdropZealy phishing explained
How Zealy phishing scams work and how to stay safe.
ガイドを読む → AirdropQuestN phishing explained
How QuestN phishing scams work and how to stay safe.
ガイドを読む → AirdropIntract phishing explained
How Intract phishing scams work and how to stay safe.
ガイドを読む → ResearchCoinMarketCap phishing explained
How CoinMarketCap phishing scams work and how to stay safe.
ガイドを読む → ResearchCoinGecko phishing explained
How CoinGecko phishing scams work and how to stay safe.
ガイドを読む → ResearchMessari phishing explained
How Messari phishing scams work and how to stay safe.
ガイドを読む → ResearchNansen phishing explained
How Nansen phishing scams work and how to stay safe.
ガイドを読む → ResearchArkham phishing explained
How Arkham phishing scams work and how to stay safe.
ガイドを読む → ResearchToken Terminal phishing explained
How Token Terminal phishing scams work and how to stay safe.
ガイドを読む → GuideHow to spot fake MetaMask sites
Identify phishing clones of MetaMask and protect your wallet.
ガイドを読む → GuideHow to spot fake Uniswap sites
Identify phishing clones of Uniswap and protect your wallet.
ガイドを読む → GuideHow to spot fake OpenSea sites
Identify phishing clones of OpenSea and protect your wallet.
ガイドを読む → GuideHow to spot fake Phantom sites
Identify phishing clones of Phantom and protect your wallet.
ガイドを読む → GuideHow to spot fake Lido sites
Identify phishing clones of Lido and protect your wallet.
ガイドを読む → GuideHow to spot fake Blur sites
Identify phishing clones of Blur and protect your wallet.
ガイドを読む → GuideHow to spot fake Aave sites
Identify phishing clones of Aave and protect your wallet.
ガイドを読む → GuideHow to spot fake Arbitrum sites
Identify phishing clones of Arbitrum and protect your wallet.
ガイドを読む →