1. Fire (Blockchain Threat Scanner)
What It Does
- Real-time alerts for malicious contracts
- Scans NFTs, tokens, and websites for scams
- Detects wallet drainers before you sign anything
Why You Need It
Free browser extension
Blocks unauthorized token approvals
Pro Tip: Configure alerts for large transactions
2. Revoke.cash (Approval Killer)
What It Does
- Shows all token approvals, even those you’ve forgotten
- Allows you to revoke risky permissions with 1 click
Why You Need It
Stops infinite drain hacks
Works with Ethereum, Solana, and Binance Smart Chain (BSC)
Check approvals every 30 days
3. Rabby Wallet (The Safe MetaMask Alternative)
What It Does
- Simulates transactions before signing
- Blocks malicious requests
- Displays real-time risk scores
Why You Need It
Prevents signature phishing
Supports Ledger, Trezor, and other hardware wallets
Key Feature: “What am I signing?” preview
4. Multisig Wallets (Gnosis Safe, Squads)
What It Does
- Requires 2 or more signatures per transaction
- Prevents single-point hacks
Why You Need It
Used by institutions with vaults over $100M
Ideal for long-term holdings
Combine hardware wallets with phone signers for ultimate security
5. Hardware Wallets (Ledger, Trezor, Keystone)
What It Does
- Keeps private keys offline = unhackable
- Verifies all transactions on the device
Why You Need It
Blocks remote cyberattacks
For $79, you could save your life savings
Important: Only buy directly from the manufacturer (not Amazon!)
6. Pocket Universe (Transaction Simulator)
What It Does
- Previews smart contract behavior
- Detects hidden drainer code
Why You Need It
Flags malicious NFTs and airdrops
Free Chrome extension
Warning: If Pocket Universe gets blocked, it’s likely a scam website
7. ChainAegis (On-Chain Monitoring)
What It Does
- 24/7 monitoring of wallet activity
- Sends alerts on sudden outflows
Why You Need It
Email or SMS alerts for unauthorized transfers
Free basic monitoring
Pro Tip: Set a panic alert at ≥0.1 ETH or equivalent
What to Do If You’re Hacked
- Revoke approvals using Revoke.cash
- Transfer remaining funds to a new wallet
- Scan for breach source using Fire
- Report incidents on Chainabuse
Never enter your seed phrase into a “recovery” site
How Even Pros Get Hacked (And How Not To)
- Don’t approve fake “gas fee” prompts—use Rabby Wallet
- Don’t click Discord links—bookmark the real ones
- Don’t use hot wallets—use multisig and hardware wallets
Biggest 2025 Threats
- AI deepfake tech for fake support
- Malicious ERC-20 token “upgrades”
- Fake “wallet drainer” browser extensions
Security Checklist (Just 5 Minutes a Day)
Check token approvals via Revoke.cash
Scan new NFTs and tokens with Fire
Verify URLs before signing anything
Monitor wallet with ChainAegis
The Bottom Line
Security = Survival in crypto. These 7 tools cover everything from prevention to damage control. Stay proactive.
