ToolRankBest crypto security and scam detection tools
Updated 24 Oct 2026 · Prices from vendor pages only · How we rank →
The short answer
These tools screen tokens, contracts, addresses or transactions for scams and risk. Scam Sniffer comes first: browser extension and feeds that flag crypto phishing and wallet-drainer sites. The cheapest verified paid plan here is Scam Sniffer Standard (From $999/month). 2 of the 4 have a free plan we could confirm. Every price below is from the vendor’s own page, checked 19–20 Oct 2026.
Ranked shortlist
- Scam Sniffer: Browser extension and feeds that flag crypto phishing and wallet-drainer sites. Plan: Standard: From $999/month
Real-time API lookups for one product, priced by query volume - Blockaid: Web3 security platform that simulates and screens transactions for wallets and dApps. Plan: Not yet verified
- GoPlus Security: Token and address risk-detection APIs used by wallets and exchanges. Plan: Not yet verified
- De.Fi: DeFi app with a smart-contract risk scanner, portfolio dashboard and yield explorer. Plan: Not yet verified
Order follows ToolRank’s editorial ranking in Crypto & Web3, filtered to tools that fit this page. Anything we couldn’t confirm on a vendor page says “Not yet verified”.
Side by side
| Rank | Tool | Relevant plan | Starting price | Free plan | Best for | Main limitation | Last checked |
|---|---|---|---|---|---|---|---|
| #1 | Scam Sniffer | Standard: From $999/month Real-time API lookups for one product, priced by query volume | From $999/month (Standard API) | Free browser extension; open-source scam database ($0, free for commercial use) | Wallet users who want free phishing warnings, and teams that need a scam blocklist API | Real-time API access starts at $999/month | 19 Oct 2026 |
| #2 | Blockaid | Not yet verified | Custom (demo required) | ✕ None listed | Wallets, exchanges and protocols stopping scams, drainers and exploits before they hit users | Built for companies, not individuals; no published prices | 19 Oct 2026 |
| #3 | GoPlus Security | Not yet verified | Not yet verified | Not yet verified | Wallets and dApps checking token, NFT, address and dApp risk through an API | API prices are not published on the pages we checked | 19 Oct 2026 |
| #4 | De.Fi | Not yet verified | Not yet verified | Free: Scanner and Shield security tools, and the audit database | DeFi users checking smart-contract and wallet-approval risks, and tracking positions across 45+ chains | Paid plans and prices were not shown on the homepage | 20 Oct 2026 |
Prices as listed by each vendor on the last-checked date, USD, before tax. Plans and limits change, so follow the sources below.
Who should pick which
Pick Scam Sniffer for wallet users who want free phishing warnings, and teams that need a scam blocklist API (Standard: From $999/month). Watch out: real-time API access starts at $999/month. Pick Blockaid for wallets, exchanges and protocols stopping scams, drainers and exploits before they hit users (Custom (demo required)). Watch out: built for companies, not individuals; no published prices. Pick GoPlus Security for wallets and dApps checking token, NFT, address and dApp risk through an API (price not yet verified). Watch out: API prices are not published on the pages we checked. Pick De.Fi for DeFi users checking smart-contract and wallet-approval risks, and tracking positions across 45+ chains (free plan: Free: Scanner and Shield security tools, and the audit database). Watch out: paid plans and prices were not shown on the homepage.
FAQ
Which of these is cheapest?
Scam Sniffer Standard (From $999/month) is the lowest paid price we verified on this list (https://www.scamsniffer.io/, checked 19 Oct 2026). Check the vendor page for tax, billing period and usage limits.
Which of these have a free plan?
Scam Sniffer: Free browser extension; open-source scam database ($0, free for commercial use); De.Fi: Free: Scanner and Shield security tools, and the audit database.
How were these tools chosen?
They are the tools in ToolRank's rankings with risk or scam detection as the vendor's core product, confirmed on the vendor's own website on 19–20 Oct 2026. Tools we could not verify are left out rather than guessed, and anything unconfirmed is marked Not yet verified.
Sources
- Scam Sniffer: Scam Sniffer homepage and pricing checked 19 Oct 2026
- Blockaid: Blockaid homepage checked 19 Oct 2026
- GoPlus Security: GoPlus homepage checked 19 Oct 2026
- GoPlus Security: GoPlus Security API checked 19 Oct 2026
- GoPlus Security: GoPlus docs checked 19 Oct 2026
- De.Fi: De.Fi homepage and FAQ checked 20 Oct 2026
Related comparisons
Profiles: Scam Sniffer · Blockaid · GoPlus Security · De.Fi
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