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instruction string | response string | category string | source string | source_url string | type string |
|---|---|---|---|---|---|
What should I know about: Fake 'token migration' permit drains wallets? | A phishing site posing as an official token migration asked users to sign a Permit2 message. Signing handed the attacker unlimited spending approval over the victim's tokens. | approval_phishing | Web3Defender | https://web3defender-engine.pages.dev/ | educational |
Best crypto wallet security scanner: what to look for in 2026 | Answer: A good wallet security scanner checks token risk, approvals, transaction history, address risk, and fake-site trick exposure in one place. Look for a clear 0-100 risk score, approval revocation, multi-chain EVM coverage, and a free tier for individuals with API access for teams.
Who this is for
Security tools ... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/best-crypto-wallet-security-scanner/ | educational |
Crypto wallet risk screening: OFAC, mixers, and exit patterns | Answer: Wallet screening checks an address for sanctions exposure, mixer activity, and risky transaction patterns. For funds and power users, this is automated across thousands of wallets a day, with structured API output for compliance workflows and batch operations.
Who this is for
Professional operations need walle... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/crypto-wallet-risk-screening/ | educational |
Fake 'token migration' permit drains wallets: warning signs and how to protect yourself | Key fact: A 'migration' or 'upgrade' that asks you to sign a Permit2 or approval message you didn't start yourself.
This guide explains a real Web3 wallet threat in plain language so you can recognize it and stay safe.
It shows you what the threat looks like and how to avoid it — not how to carry it out.
What happened... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/fake-token-migration-permit-drains-wallets/ | educational |
Honeypot token checker on Arbitrum | Answer: A honeypot token on Arbitrum lets you buy but blocks you from selling. To check before buying, scan the Arbitrum token contract for trade locks, sell-tax traps, and ownership red flags — a scan returns a 0-100 risk score in under ten seconds.
The problem on Arbitrum
Honeypot tokens exist on every chain includi... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-checker-arbitrum/ | educational |
Honeypot token checker on Base | Answer: A honeypot token on Base lets you buy but blocks you from selling. To check before buying, scan the Base token contract for trade locks, sell-tax traps, and ownership red flags — a scan returns a 0-100 risk score in under ten seconds.
The problem on Base
Honeypot tokens exist on every chain including Base. The... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-checker-base/ | educational |
Honeypot token checker on BSC | Answer: A honeypot token on BSC lets you buy but blocks you from selling. To check before buying, scan the BSC token contract for trade locks, sell-tax traps, and ownership red flags — a scan returns a 0-100 risk score in under ten seconds.
The problem on BSC
Honeypot tokens exist on every chain including BSC. The tra... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-checker-bsc/ | educational |
Honeypot token checker on Ethereum | Answer: A honeypot token on Ethereum lets you buy but blocks you from selling. To check before buying, scan the Ethereum token contract for trade locks, sell-tax traps, and ownership red flags — a scan returns a 0-100 risk score in under ten seconds.
The problem on Ethereum
Honeypot tokens exist on every chain includi... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-checker-ethereum/ | educational |
Honeypot token checker on Polygon | Answer: A honeypot token on Polygon lets you buy but blocks you from selling. To check before buying, scan the Polygon token contract for trade locks, sell-tax traps, and ownership red flags — a scan returns a 0-100 risk score in under ten seconds.
The problem on Polygon
Honeypot tokens exist on every chain including ... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-checker-polygon/ | educational |
Honeypot token checker on Solana | Answer: A honeypot token on Solana lets you buy but blocks you from selling. To check before buying, scan the Solana token contract for trade locks, sell-tax traps, and ownership red flags — a scan returns a 0-100 risk score in under ten seconds.
The problem on Solana
Honeypot tokens exist on every chain including Sol... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-checker-solana/ | educational |
Honeypot token checker on TON | Answer: A honeypot token on TON lets you buy but blocks you from selling. To check before buying, scan the TON token contract for trade locks, sell-tax traps, and ownership red flags — a scan returns a 0-100 risk score in under ten seconds.
The problem on TON
Honeypot tokens exist on every chain including TON. The tra... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-checker-ton/ | educational |
Honeypot token checker: can you actually sell it? | Answer: A honeypot token lets you buy but blocks you from selling. To check one, scan the token contract for trade locks, sell-tax traps, and ownership red flags before you buy — a scan returns a 0-100 risk score in seconds.
Who this is for
Active traders interact with dozens of new tokens every week. One missed check... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/honeypot-token-checker/ | educational |
How to not lose your crypto: the complete safety checklist | Answer: To avoid losing crypto, never share your seed phrase, verify every site and token before acting, revoke unused approvals, keep long-term funds off exchanges, and treat urgency as a warning sign. A quick scan checks tokens, wallets, URLs, and approvals in seconds.
Who this is for
Crypto losses almost always com... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/how-to-not-lose-crypto/ | educational |
How to revoke token approvals and close wallet risk | Answer: Token approvals let contracts spend your tokens, and they never expire on their own. To stay safe, review every active approval and revoke the ones you no longer use — especially unlimited approvals granted to unknown or inactive contracts.
Who this is for
DeFi users interact with many contracts, and each conn... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/how-to-revoke-token-approvals/ | educational |
Is this a crypto fake-site trick site? Check before connecting your wallet | Answer: Crypto fake-site trick sites copy real apps pixel-for-pixel to trick you into signing a malicious request. Before connecting your wallet, check the exact URL for impersonation, suspicious airdrop lures, and lookalike domains — verify first, connect second.
Who this is for
DeFi users interact with many contract... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/is-this-site-a-crypto-phishing-site/ | educational |
Is this Telegram bot or message a risky project? How to check | Answer: risky project Telegram bots and fake admins copy real projects to drain funds or seed phrases. Verify the official link, never share your seed phrase, and check any URL before connecting a wallet. Legitimate admins never DM first asking for funds or recovery phrases.
Who this is for
Crypto losses almost always... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/is-this-telegram-bot-a-scam/ | educational |
Wallet acting strange? Here is how to check it safely | Answer: If you see a transaction you did not make, do not panic — check first. Scan your wallet for risk flags and mixer links, then revoke any approvals you do not recognize before moving funds. Acting in panic often makes the situation worse.
Who this is for
If something looks wrong with your wallet, the single most... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/my-wallet-got-drained-what-to-do/ | educational |
fake-site trick URL checker on Arbitrum | Answer: fake-site trick sites targeting Arbitrum users copy real dApps to trick you into signing malicious requests. Before connecting your wallet to any Arbitrum site, check the URL for impersonation, lookalike domains, and airdrop lures — verify first, connect second.
The problem on Arbitrum
fake-site trick sites ta... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/phishing-url-check-arbitrum/ | educational |
fake-site trick URL checker on Base | Answer: fake-site trick sites targeting Base users copy real dApps to trick you into signing malicious requests. Before connecting your wallet to any Base site, check the URL for impersonation, lookalike domains, and airdrop lures — verify first, connect second.
The problem on Base
fake-site trick sites targeting Base... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/phishing-url-check-base/ | educational |
fake-site trick URL checker on BSC | Answer: fake-site trick sites targeting BSC users copy real dApps to trick you into signing malicious requests. Before connecting your wallet to any BSC site, check the URL for impersonation, lookalike domains, and airdrop lures — verify first, connect second.
The problem on BSC
fake-site trick sites targeting BSC use... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/phishing-url-check-bsc/ | educational |
fake-site trick URL checker on Ethereum | Answer: fake-site trick sites targeting Ethereum users copy real dApps to trick you into signing malicious requests. Before connecting your wallet to any Ethereum site, check the URL for impersonation, lookalike domains, and airdrop lures — verify first, connect second.
The problem on Ethereum
fake-site trick sites ta... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/phishing-url-check-ethereum/ | educational |
fake-site trick URL checker on Polygon | Answer: fake-site trick sites targeting Polygon users copy real dApps to trick you into signing malicious requests. Before connecting your wallet to any Polygon site, check the URL for impersonation, lookalike domains, and airdrop lures — verify first, connect second.
The problem on Polygon
fake-site trick sites targe... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/phishing-url-check-polygon/ | educational |
fake-site trick URL checker on Solana | Answer: fake-site trick sites targeting Solana users copy real dApps to trick you into signing malicious requests. Before connecting your wallet to any Solana site, check the URL for impersonation, lookalike domains, and airdrop lures — verify first, connect second.
The problem on Solana
fake-site trick sites targetin... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/phishing-url-check-solana/ | educational |
fake-site trick URL checker on TON | Answer: fake-site trick sites targeting TON users copy real dApps to trick you into signing malicious requests. Before connecting your wallet to any TON site, check the URL for impersonation, lookalike domains, and airdrop lures — verify first, connect second.
The problem on TON
fake-site trick sites targeting TON use... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/phishing-url-check-ton/ | educational |
Token approvals checker on Arbitrum | Answer: Token approvals on Arbitrum never expire on their own. To close your risk, list every contract that holds a spending approval on your Arbitrum wallet and revoke the ones you no longer use — especially unlimited approvals to inactive or unknown contracts.
The problem on Arbitrum
Every Arbitrum protocol you ever... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/token-approvals-arbitrum/ | educational |
Token approvals checker on Base | Answer: Token approvals on Base never expire on their own. To close your risk, list every contract that holds a spending approval on your Base wallet and revoke the ones you no longer use — especially unlimited approvals to inactive or unknown contracts.
The problem on Base
Every Base protocol you ever connected to ma... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/token-approvals-base/ | educational |
Token approvals checker on BSC | Answer: Token approvals on BSC never expire on their own. To close your risk, list every contract that holds a spending approval on your BSC wallet and revoke the ones you no longer use — especially unlimited approvals to inactive or unknown contracts.
The problem on BSC
Every BSC protocol you ever connected to may st... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/token-approvals-bsc/ | educational |
Token approvals checker on Ethereum | Answer: Token approvals on Ethereum never expire on their own. To close your risk, list every contract that holds a spending approval on your Ethereum wallet and revoke the ones you no longer use — especially unlimited approvals to inactive or unknown contracts.
The problem on Ethereum
Every Ethereum protocol you ever... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/token-approvals-ethereum/ | educational |
Token approvals checker on Polygon | Answer: Token approvals on Polygon never expire on their own. To close your risk, list every contract that holds a spending approval on your Polygon wallet and revoke the ones you no longer use — especially unlimited approvals to inactive or unknown contracts.
The problem on Polygon
Every Polygon protocol you ever con... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/token-approvals-polygon/ | educational |
Token approvals checker on Solana | Answer: Token approvals on Solana never expire on their own. To close your risk, list every contract that holds a spending approval on your Solana wallet and revoke the ones you no longer use — especially unlimited approvals to inactive or unknown contracts.
The problem on Solana
Every Solana protocol you ever connect... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/token-approvals-solana/ | educational |
Token approvals checker on TON | Answer: Token approvals on TON never expire on their own. To close your risk, list every contract that holds a spending approval on your TON wallet and revoke the ones you no longer use — especially unlimited approvals to inactive or unknown contracts.
The problem on TON
Every TON protocol you ever connected to may st... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/token-approvals-ton/ | educational |
Wallet risk checker on Arbitrum | Answer: A Arbitrum wallet risk check screens an address for sanctions exposure, mixer activity, and risky transaction patterns. Paste the address, select Arbitrum, and get a 0-100 risk score with specific flags in seconds — no account or connection required.
The problem on Arbitrum
A Arbitrum address can accumulate ri... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/wallet-risk-check-arbitrum/ | educational |
Wallet risk checker on Base | Answer: A Base wallet risk check screens an address for sanctions exposure, mixer activity, and risky transaction patterns. Paste the address, select Base, and get a 0-100 risk score with specific flags in seconds — no account or connection required.
The problem on Base
A Base address can accumulate risk from past int... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/wallet-risk-check-base/ | educational |
Wallet risk checker on BSC | Answer: A BSC wallet risk check screens an address for sanctions exposure, mixer activity, and risky transaction patterns. Paste the address, select BSC, and get a 0-100 risk score with specific flags in seconds — no account or connection required.
The problem on BSC
A BSC address can accumulate risk from past interac... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/wallet-risk-check-bsc/ | educational |
Wallet risk checker on Ethereum | Answer: A Ethereum wallet risk check screens an address for sanctions exposure, mixer activity, and risky transaction patterns. Paste the address, select Ethereum, and get a 0-100 risk score with specific flags in seconds — no account or connection required.
The problem on Ethereum
A Ethereum address can accumulate ri... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/wallet-risk-check-ethereum/ | educational |
Wallet risk checker on Polygon | Answer: A Polygon wallet risk check screens an address for sanctions exposure, mixer activity, and risky transaction patterns. Paste the address, select Polygon, and get a 0-100 risk score with specific flags in seconds — no account or connection required.
The problem on Polygon
A Polygon address can accumulate risk f... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/wallet-risk-check-polygon/ | educational |
Wallet risk checker on Solana | Answer: A Solana wallet risk check screens an address for sanctions exposure, mixer activity, and risky transaction patterns. Paste the address, select Solana, and get a 0-100 risk score with specific flags in seconds — no account or connection required.
The problem on Solana
A Solana address can accumulate risk from ... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/wallet-risk-check-solana/ | educational |
Wallet risk checker on TON | Answer: A TON wallet risk check screens an address for sanctions exposure, mixer activity, and risky transaction patterns. Paste the address, select TON, and get a 0-100 risk score with specific flags in seconds — no account or connection required.
The problem on TON
A TON address can accumulate risk from past interac... | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/wallet-risk-check-ton/ | educational |
Weekly Web3 threat trends | Web3Defender tracked 16 new wallet threats in the past 7 days. The most common were active scam, approval phishing. 1 were flagged as high-priority active incidents. Here is what to watch for and how to stay safe. | wallet-security | Web3Defender | https://web3defender-engine.pages.dev/learn/weekly-threat-trends-2026-06-24/ | educational |
Web3Defender Crypto Security Threat Dataset
Educational dataset of Web3 / crypto wallet security threats and defensive guidance, curated by Web3Defender — an independent defensive knowledge base.
What this is
Instruction-response pairs covering common crypto wallet threats (approval phishing, honeypot tokens, wallet drainers, seed-phrase scams, address poisoning, fake support) and how users recognize and defend against them. Defensive education only.
Dataset structure
Each row in web3defender_threats.jsonl has:
| Field | Description |
|---|---|
instruction |
A plain-language question or threat topic |
response |
Defensive educational answer (≤600 chars) |
category |
Threat category (e.g. wallet-security) |
source |
Web3Defender |
source_url |
Canonical URL for this guidance |
type |
Always educational |
Intended use
- Fine-tuning LLMs for accurate, safety-first crypto security guidance
- RAG knowledge bases for crypto security assistants
- Research on Web3 threat education and awareness
What it does NOT contain
- Attack instructions or exploit code
- Accusations against specific named projects
- Private keys, seeds, wallet addresses
- Financial advice
Source & attribution
Curated by Web3Defender: https://web3defender-engine.pages.dev/
Machine-readable knowledge graph: https://web3defender-engine.pages.dev/rag.json
License
CC-BY-4.0 — free to use with attribution to Web3Defender.
Disclaimer
Educational content only. Not financial advice. Names no specific project as malicious; describes threat categories and defenses only.
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