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🛡️ Wallet Hygiene – The Essential Guide to Keeping Your Web3 Wallet Safe

Learn the most important wallet security practices for Web3 users. For both new and experienced users reduce risk and avoid common mistakes.

Max avatar
Written by Max
Updated over 3 weeks ago

In Web3, your wallet is your identity, your vault, and your lifeline. But with that power comes serious responsibility — and real risks if you’re not careful.

This guide walks through simple habits and threat awareness tips that will help you protect your assets today and well into the future.


🧠 1. Seed Phrase — Guard It Like Gold

Your recovery phrase (aka seed phrase) is the ultimate key to your wallet. If someone else gets it, your funds are permanently at risk — no exceptions, no take-backs.

How it gets stolen:

  • Fake wallet apps or phishing pop-ups

  • Impersonators pretending to be support agents

  • Cloud backups (like iCloud or Google Drive) auto-saving screenshots or text files

Protect it like this:

  • Write it down and store it securely, offline

  • Use something like a fireproof safe for a secure, offline location

  • Never share your phrase — not with friends, and definitely not with “support”

⚠️ Reminder: Relay support will never ask for your seed phrase.


🧹 2. Risky Extensions — Even Non-Web3 Ones Can Hurt

Browser extensions — even ones that seem totally unrelated to crypto — can interfere with your wallet, inject malicious scripts, or quietly steal data.

What to watch out for:

  • Fake MetaMask or Rabby clones from search ads

  • Productivity tools or shopping plugins with full-page access

  • Extensions asking for “read and change all data on every website”

Best practices:

  • Use a clean browser profile just for Web3

  • Only install extensions from official sources

  • Avoid non-essential tools — especially unrelated ones

  • Audit your installed extensions monthly

  • Regularly revoke token approvals at Revoke.cash


💾 3. No Hardware Wallet? You’re at Risk

A hardware wallet (like Ledger or Trezor) stores your private keys completely offline, making them immune to browser attacks, malware, or compromised devices.

Think of it like this:

🔐 Hardware wallet = savings account (for funds you can’t afford to lose)

💸 Software wallet = checking account (for NFTs, swaps, and day-to-day activity)

Why it’s essential:

  • Transactions must be physically approved on the device

  • Private keys are never exposed to the internet

  • Even if your computer is compromised, your assets remain protected

Best practices:

  • Buy only from the official manufacturer’s website

  • Use a strong PIN and optional passphrase for extra protection

  • Always double-check recipient addresses before confirming

  • Keep the firmware updated regularly

Using this “spend vs. save” setup gives you both convenience and security — without compromising either.


🔗 4. Limit dApp Access and Token Approvals

When you connect your wallet to a dApp or approve a token transaction, you’re granting that contract permission to move funds on your behalf — sometimes indefinitely.

Why this matters:

  • Many exploits happen through overly broad or lingering approvals

  • Even legit dApps can get compromised

  • You might forget which dApps have access

What to do:

  • Revoke token approvals regularly via Revoke.cash

  • Avoid “infinite approvals” unless you know the contract is safe and trusted

  • Disconnect from dApps you no longer use

    • In MetaMask: Settings → Connected Sites

  • Be skeptical of popups requesting multiple token permissions in one go

✅ Bonus tip: Revoke stablecoin and blue-chip token approvals first — those are the most valuable targets.


📆 5. Do a Monthly Security Check-In

Even if you’re not trading regularly, your wallet’s connections and permissions don’t disappear. Set a monthly reminder to do a quick security sweep.

Checklist:

  • ✅ Revoke old token approvals

  • ✅ Disconnect from unused dApps

  • ✅ Remove non-essential extensions

  • ✅ Test and back up your recovery phrase

  • ✅ Confirm hardware wallet firmware is up to date

  • ✅ Keep your cold and hot wallets clearly separated


🧾 Final Summary: Your Wallet Hygiene Toolkit

Here’s everything in one quick list — emojis now aligned with section headers:

  • 🧠 Seed phrase stored offline and tested

  • 🧹 Browser clean and extensions audited

  • 🔐 Hardware and 💸 software wallet used separately

  • 🔗 Token approvals reviewed and revoked regularly

  • 📆 Monthly security check-in completed


👋 Final Word

Staying safe in Web3 isn’t about luck — it’s about habits.

Start with small steps. Build these routines into your monthly flow. You’ll be more secure than 99% of onchain users — and that peace of mind is priceless.

Need help reviewing your setup?

We’re happy to assist → support.relay.link

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