Security and scams · How-to
8 Ways to Check Whether a Token Is a Scam
No single scanner can prove a token is safe. Use these eight checks to verify what you are buying, look for signs you may not be able to sell, and avoid exposing your wallet.
Guides · Topic
Security and scams guides
71 guides on security and scams, newest first.
Security and scams · Explainer
Alpha Homora Exploit: What to Check Before Depositing
Alpha Homora’s roughly $38 million exploit in February 2021 is a reminder that leveraged yield farming can expose you to risks across more than one protocol. Here’s what happened, what “Binance growth” means in this context, and what to check before considering Alpha Homora in 2026.
Security and scams · Explainer
Axiecat NFT Scam Warning: What to Check in 2026
There is not enough verified information to call Axiecat a scam—or to confirm it is legitimate. Treat any Axiecat NFT offer as unverified until you check the collection, contract, seller and transaction in your own wallet and on the relevant blockchain.
Security and scams · Explainer
Azuki’s Founder Controversy: What Holders Should Do
Azuki’s founder disclosed a history of projects that were later abandoned, prompting backlash from NFT holders. Here’s what that history does—and does not—show, and how to make a careful decision about your Azuki NFT in 2026.
Security and scams · Explainer
BadgerDAO Hack: What Happened and What to Do Now
The BadgerDAO hack was a 2021 attack that drained about $120 million in crypto from users connected to the DeFi protocol. Here’s how the attack worked, what a potentially exposed wallet can do now, and why old Badger vaults need extra caution in 2026.
Security and scams · Explainer
Balancer Exploit in November 2025: What to Do Now
Balancer’s November 2025 exploit involved a precision-loss bug affecting composable stable pools. Learn how to check whether your position may be exposed and what to verify before using Balancer in 2026.
Security and scams · Explainer
Bored Ape NFT Hacks: What Happened and What to Do
The reported Bored Ape thefts were separate incidents, not one confirmed loss of more than $3 million. Learn what happened, how NFT phishing works and what to do if a wallet is compromised.
Security and scams · Explainer
DeFi Flash Loan Attacks: What Happened and What to Do
A flash loan is a large, uncollateralized loan that must be repaid in one blockchain transaction. Attacks exploit flaws in the protocols that handle the borrowed funds—not the loan feature alone.
Security and scams · Explainer
DeFi Kingdoms Exploit: What JEWEL Holders Should Do
A reported exploit can trigger selling and uncertainty around DeFi Kingdoms’ JEWEL token, but a price drop alone does not prove what was compromised. Verify the incident, check your wallet’s exposure and avoid rushed transactions while details are unclear.
Security and scams · Explainer
Did an OpenSea Upgrade Expose You to Hackers? What to Check
A headline about an OpenSea upgrade is not proof that the update exposed wallets. Here’s how to separate a confirmed security issue from older phishing incidents—and what to do before you approve anything.
Security and scams · Explainer
Frosties NFT Rug Pull: How Victims Can Seek Justice
The Frosties case shows what victims can do after an NFT project disappears: preserve evidence, report suspected fraud and assess legal options. Recovery is uncertain, and a criminal charge does not guarantee that buyers will be repaid.
Security and scams · Explainer
Harmony’s Horizon Bridge Hack: What to Know
Harmony’s Horizon bridge was exploited in June 2022, with roughly $100 million in crypto reported stolen. Here’s what the incident means, how to check for exposure and what to verify before using a bridge today.
Security and scams · Explainer
How Blockchain Analytics Works: A Safety Guide
Blockchain analytics turns public ledger records into searchable transaction trails, risk signals and patterns. Learn how the process works, what it can reveal about scams, and how to check a transaction without treating a label as proof.
Security and scams · Explainer
How Crypto Hacks Happen and How to Protect Your Funds
Most crypto theft starts with stolen credentials, a trick that gets you to reveal a recovery phrase, or a transaction you approve without understanding it. Learn how these attacks work and follow a practical routine to reduce your risk.
Security and scams · Explainer
How Cryptocurrency Exchanges Are Regulated in 2026
Crypto exchange regulation depends on where you live, what the platform does and which assets it offers. Learn how to check an exchange’s legal status, understand what regulation does—and does not—protect, and spot warning signs before you deposit.
Security and scams · Explainer
How OpenSea Phishing Emails Turn Into NFT Losses
OpenSea-themed emails can put NFT holders at risk, but an email alone cannot move assets from your wallet. Learn how phishing lures work, how to check a message safely, and what to do if you clicked or signed.
Security and scams · Explainer
How Public and Private Keys Keep Crypto Secure
A public key can be shared; its matching private key must stay secret. Learn how the pair protects crypto transactions, what a wallet actually stores, and how to avoid losing access or signing a scam.
Security and scams · Explainer
How the Failed Rainbow Bridge Exploit Cost $7,000
A Rainbow Bridge attack attempt was stopped before it could drain assets, and the attacker forfeited a bond worth roughly $7,000 at the time. Here’s how the defense worked and what the incident does—and doesn’t—tell you about using bridges.
Security and scams · Explainer
How the Nomad Bridge Hack Became Mass Looting
The August 2022 Nomad bridge exploit turned a flaw in message verification into a rush of copycat withdrawals. Here’s how it happened, what “decentralized looting” means, and how to assess bridge risk before moving assets in 2026.
Security and scams · Explainer
How to Assess Gala Games and Town Coin Scam Claims
Gala Games faced a major token-minting security incident and public co-founder litigation. Here’s how to separate those events from unverified Town Coin scam claims, check a token, and protect your wallet.
Security and scams · Explainer
How to Assess Government Zero-Knowledge Identity Proofs
Zero-knowledge proofs can let a government service check a specific claim—such as whether you meet an age threshold—without receiving the underlying detail. They do not make an identity system automatically private: check who issues credentials, what gets recorded, and how you can recover access.
Security and scams · Explainer
How to Assess the DecentraWorld Rug Pull
DecentraWorld was reported to have suffered a rug pull in May 2022 after its founders drained a BNB treasury, with losses valued at more than $1 million. Here’s what the incident means, how to check your exposure and how to avoid recovery scams.
Security and scams · Explainer
How to Avoid Bored Ape Yacht Club Scams
Bored Ape Yacht Club’s name and artwork are often used to make fake giveaways, mint pages and marketplace listings look credible. Learn how to verify an offer, avoid dangerous wallet approvals and respond quickly if you have already signed or sent something.
Security and scams · How-to
How to Avoid Getting Rekt in DeFi in 2026
You can’t remove DeFi risk, but you can reduce your exposure before connecting a wallet, signing a transaction or depositing funds. Use this checklist to protect your keys, assess protocols and plan what to do if something goes wrong.