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70 guides on security and scams, newest first.
Security and scams · Explainer
Yield farm and bridge exploits move fast: attackers find a flaw, mint or withdraw tokens, and convert them before anyone can stop them. This guide explains how these drains happen, what the Binance-linked incidents in recent reporting show, and what you can do to protect your own funds.
Security and scams · How-to
Most DeFi losses come from a short list of avoidable habits: weak wallet security, open token approvals, phishing, and borrowing or leveraging more than you can cover. This guide explains how to reduce each risk and what to check before you move funds.
Security and scams · How-to
An NFT rug pull happens when a project takes buyers' money and then stops delivering, often by draining funds or changing the contract. This guide covers the contract, team, metadata and wallet checks that catch most of these scams before you pay.
Security and scams · How-to
Most large NFT losses start with a signature, a fake listing or a message from an impersonator. This guide explains the common patterns and the checks that stop them before any funds move.
Security and scams · How-to
A wallet drainer tricks you into signing a transaction or sharing a secret that hands over your tokens. This guide explains the habits and checks that keep your funds under your control.
Security and scams · How-to
A seed phrase gives full control of a crypto wallet, so anyone who learns it can move the funds in it. This guide explains the common scam patterns, safer storage and restore habits, and what to do if your phrase may have been seen by someone else.
Security and scams · How-to
A seed phrase controls every wallet it generates, so anyone who sees it can take the funds. This guide covers practical ways to keep your phrase private on iPhone and iPad, from device settings and offline backups to iCloud, clipboard and screenshot risks.
Security and scams · Explainer
An NFT scam usually depends on one of a few repeatable patterns: a fake mint, a phishing link, a malicious signature request, or a copycat collection. Knowing the red flags and running a short set of checks before you click, mint or sign will stop most of them.
Security and scams · Explainer
Bot activity on a blockchain leaves traces in timing, fees, failed transactions, funding trails and volume figures. This guide explains which signals to check, how to combine them, and where each one can mislead you.
Security and scams · Explainer
Binance was never simply banned from the UK, but the FCA restricted its regulated activity, and new UK sign-ups closed in 2023. Here is what changed, what it means for existing users, and how to check the position yourself.
Security and scams · Explainer
LavaCake became a reference point for a familiar DeFi pattern: a project attracts deposits, then its operators drain or lock the funds. This guide explains how rugpulls work and the practical checks that can reduce your risk before you deposit.
Security and scams · Explainer
In March 2022 attackers drained roughly $600 million from the Ronin bridge that serves the Axie Infinity ecosystem. US authorities later linked the theft to North Korea's Lazarus Group, and the case remains a standard reference for bridge and key-management risk.
Security and scams · Explainer
A failed attack on a bridge can still cost the attacker real money, and the bridge's users still face the same risks. This guide explains how the NEAR Rainbow Bridge works, why failed exploits are costly for attackers, and how to check the current facts yourself.
Security and scams · Explainer
In August 2022 a flaw in the Nomad token bridge let copycat attackers drain funds in a public free-for-all, and it remains a standard case study in bridge security. This guide explains what went wrong, why the losses spread so fast, and what users and builders can take from it today.
Security and scams · Explainer
Rug pulls are not one scam but several, and each leaves different warning signs. This guide sorts the main types, shows what to check for each one, and explains what to do if you have already been hit.
Security and scams · Explainer
A breach of user information at a large NFT marketplace mostly creates phishing risk rather than direct theft, so the real defence is knowing what leaked in general terms and how to verify anything that claims to come from OpenSea. This guide explains what a leak of this kind usually exposes, how attackers use it, and what to do now.
Security and scams · Explainer
Fake OpenSea emails have tricked NFT traders into signing wallet approvals that let attackers take their assets. This guide explains how the 2022 phishing attack and later data breaches worked, how to spot a scam email, and what to do now to protect your wallet.
Security and scams · Explainer
Between 2022 and later, OpenSea users faced a run of attacks tied to marketplace changes, from a listing flaw to upgrade-themed phishing and malicious signature requests. This guide explains what happened, why upgrades create openings for scams, and how to protect an NFT wallet today.
Security and scams · Explainer
Polygold is the kind of name that prompts a pair of questions: was this a legitimate platform that failed, or a scam from the start? This guide explains how to weigh that difference, what the warning signs look like, and what to do if you have lost money.
Security and scams · Explainer
The QiDao exploit that drained about $13 million shows how one faulty contract can put users at risk across connected DeFi apps. This explainer covers what happened, what the record does and does not confirm, and the defensive steps you can take now.
Security and scams · Explainer
Rug pulls take many forms, from a developer draining a liquidity pool to a token that cannot be sold. This guide explains how they work, why losses are rising, and which checks reduce your risk before and after you buy.
Security and scams · Explainer
A rug pull happens when the people behind a token drain its trading liquidity or sell their own holdings, leaving buyers with tokens that cannot be sold for anything meaningful. Most of the warning signs are visible on-chain before the exit, so a short checklist can catch many of them.
Security and scams · Explainer
Rugzombie is a DeFi and NFT project that turns dead or rugged tokens into zombie NFTs. This guide explains what rug pulls are, what a tool like this can and cannot do for people who lost money, and how to avoid the recovery scams that often follow.
Security and scams · Explainer
John McAfee's death in 2021 was followed by a familiar pattern: new tokens borrowing his name appear and draw quick buying. This guide explains why scammers use famous deaths as a hook and how to check a token before you put money into it.