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Know Your Crook

Bottom Line Up FrontFree NFT mint offers can be legitimate, but more often than not they are a scam designed to steal your crypto assets in one way or another. If you decide to participate in a free mint, use a fresh wallet with no assets held on it, and pay close attention to the permissions requested from the minting smart contract. It is also worth searching the contract itself for any undisclosed minting fees.OverviewIf something looks too good to be true, it probably is. Projects offerin...

Know Your Crook

Bottom Line Up FrontFree NFT mint offers can be legitimate, but more often than not they are a scam designed to steal your crypto assets in one way or another. If you decide to participate in a free mint, use a fresh wallet with no assets held on it, and pay close attention to the permissions requested from the minting smart contract. It is also worth searching the contract itself for any undisclosed minting fees.OverviewIf something looks too good to be true, it probably is. Projects offerin...

Most popular by Know Your Crook

SCAM REVIEW: Validate Your Wallet

Keeping Your Wallets Safe

SCAM REVIEW: Send Me a DM

SCAM REVIEW: Free NFT Mint!

SCAM REVIEW: You’ve Won .38 BTC From Our New Exchange!

Most popular by Know Your Crook

SCAM REVIEW: Validate Your Wallet

Keeping Your Wallets Safe

SCAM REVIEW: Send Me a DM

SCAM REVIEW: Free NFT Mint!

SCAM REVIEW: You’ve Won .38 BTC From Our New Exchange!

Anatomy of a Scam

Anatomy of a Scam

Block Explorers Demystified! (part 1)

Know Your Crook

Bottom Line Up FrontBlock explorers like Etherscan and BSCscan contain a wealth of information about a wallet or smart contract, but can be overwhelming to navigate. This first of two guides will explain what each piece of information is, and what they mean. The next guide will go into more detail about how the information can be used in research and investigations.OverviewEverything done on a blockchain - every transaction, every swap, every contract signing - is public. Block explorers are ...

Block Explorers Demystified! (part 1)

Know Your Crook

Bottom Line Up FrontBlock explorers like Etherscan and BSCscan contain a wealth of information about a wallet or smart contract, but can be overwhelming to navigate. This first of two guides will explain what each piece of information is, and what they mean. The next guide will go into more detail about how the information can be used in research and investigations.OverviewEverything done on a blockchain - every transaction, every swap, every contract signing - is public. Block explorers are ...

Keeping Your Wallets Safe

Know Your Crook

Updated 4/28/2022: added “Bookmark Frequently Used Sites” sectionBottom Line Up FrontKeeping your funds secure is an ongoing process that requires regular attention and action. Wallets should be disconnected from dapps and websites you are not currently using, and permissions should be revoked for projects you’re no longer invested in. Use separate wallets for holding, DEX trading, and yield farming. If you have high value NFTs, they should be held in separate wallets as well. Never store fun...

Keeping Your Wallets Safe

Know Your Crook

Updated 4/28/2022: added “Bookmark Frequently Used Sites” sectionBottom Line Up FrontKeeping your funds secure is an ongoing process that requires regular attention and action. Wallets should be disconnected from dapps and websites you are not currently using, and permissions should be revoked for projects you’re no longer invested in. Use separate wallets for holding, DEX trading, and yield farming. If you have high value NFTs, they should be held in separate wallets as well. Never store fun...

SCAM REVIEW: Validate Your Wallet

Know Your Crook

Bottom Line Up FrontSomeone claiming to be a project support team or admin DMs asking if a question you posted in the channel was ever answered. Regardless of your answer, they will find some pretext to say you need to validate your wallet, and will send you a link to do so. The link is to a phishing site, and will most often ask you to enter your wallet seed phrase.OverviewThe particular approach used in this scam usually comes after a project makes some big announcement, and takes advantage...

SCAM REVIEW: Validate Your Wallet

Know Your Crook

Bottom Line Up FrontSomeone claiming to be a project support team or admin DMs asking if a question you posted in the channel was ever answered. Regardless of your answer, they will find some pretext to say you need to validate your wallet, and will send you a link to do so. The link is to a phishing site, and will most often ask you to enter your wallet seed phrase.OverviewThe particular approach used in this scam usually comes after a project makes some big announcement, and takes advantage...

DYOR: An Evergrowing How-To Guide

Know Your Crook

Updated June 28, 2022 → added link to BonkalyticsBottom Line Up FrontResearch into a crypto project can generally be broken into three categories: The dev team; the project fundamentals; and the community. This guide will cover tools and techniques for researching each, red flags to look for, and general tips on how to go about learning as much as you can about a project. This is a reference guide that will be updated regularly to include new tools and services available, emerging threats in ...

DYOR: An Evergrowing How-To Guide

Know Your Crook

Updated June 28, 2022 → added link to BonkalyticsBottom Line Up FrontResearch into a crypto project can generally be broken into three categories: The dev team; the project fundamentals; and the community. This guide will cover tools and techniques for researching each, red flags to look for, and general tips on how to go about learning as much as you can about a project. This is a reference guide that will be updated regularly to include new tools and services available, emerging threats in ...

SCAM REVIEW: Send Me a DM

Know Your Crook

updated 5/3/2022: Updated ‘Name Spoofing’ section examples and tipsBottom Line Up FrontAfter replying to or quote-tweeting a popular Twitter account, you get a reply from someone impersonating them asking you to send a DM. If you do, there will usually be a short exchange about whether you invest in crypto, and if so, what projects and how much. This is followed by a claim that they can make you some quick money, and directions to join an exchange or investment site. These sites are honeypots...

SCAM REVIEW: Send Me a DM

Know Your Crook

updated 5/3/2022: Updated ‘Name Spoofing’ section examples and tipsBottom Line Up FrontAfter replying to or quote-tweeting a popular Twitter account, you get a reply from someone impersonating them asking you to send a DM. If you do, there will usually be a short exchange about whether you invest in crypto, and if so, what projects and how much. This is followed by a claim that they can make you some quick money, and directions to join an exchange or investment site. These sites are honeypots...

Security, or Security Theater?

Know Your Crook

Bottom Line Up FrontThe security provided by measures such as audited contracts, locked liquidity, and doxed/KYCed teams is often overstated by projects, and misunderstood by investors. Every measure has its strengths and limitations, as well as workarounds that can be exploited by bad actors. Knowing and understanding these will help you better assess the relative risk of a project before investing.OverviewAbove and beyond anything else, a project’s team needs to inspire trust in the project...

Security, or Security Theater?

Know Your Crook

Bottom Line Up FrontThe security provided by measures such as audited contracts, locked liquidity, and doxed/KYCed teams is often overstated by projects, and misunderstood by investors. Every measure has its strengths and limitations, as well as workarounds that can be exploited by bad actors. Knowing and understanding these will help you better assess the relative risk of a project before investing.OverviewAbove and beyond anything else, a project’s team needs to inspire trust in the project...

Understanding Ponzinomics

Know Your Crook

Bottom Line Up FrontRebasing projects promising 6-7 digit APYs require a constant flow of new money buying in to cover for when old money sells. High buy and sell taxes help ensure new investors hold for at least several weeks to avoid selling at a loss, which increases their risk exposure to price fluctuations. While it is certainly possible to turn a profit investing in such projects, it is not likely to happen from APY returns alone. Always do the math, and understand your breakpoints and ...

Understanding Ponzinomics

Know Your Crook

Bottom Line Up FrontRebasing projects promising 6-7 digit APYs require a constant flow of new money buying in to cover for when old money sells. High buy and sell taxes help ensure new investors hold for at least several weeks to avoid selling at a loss, which increases their risk exposure to price fluctuations. While it is certainly possible to turn a profit investing in such projects, it is not likely to happen from APY returns alone. Always do the math, and understand your breakpoints and ...

Anatomy of a Scam

Know Your Crook

Bottom Line Up FrontFor all the myriad ways a scam can be dressed up and presented - from simple Nigerian Prince emails to complex investor schemes - the vast majority of them are ultimately designed to achieve only one of three goals: trick you into sending them money; trick you into sending them enough information for them to take your money; or trick you into giving them login credentials to online accounts. Knowing and understanding these goals makes it significantly easier to identify sc...

Anatomy of a Scam

Know Your Crook

Bottom Line Up FrontFor all the myriad ways a scam can be dressed up and presented - from simple Nigerian Prince emails to complex investor schemes - the vast majority of them are ultimately designed to achieve only one of three goals: trick you into sending them money; trick you into sending them enough information for them to take your money; or trick you into giving them login credentials to online accounts. Knowing and understanding these goals makes it significantly easier to identify sc...

SCAM REVIEW: You’ve Won .38 BTC From Our New Exchange!

Know Your Crook

Bottom Line Up FrontIf you receive a random DM from someone you don’t know, congratulating you on winning a giveaway you never entered, from a crypto exchange you’ve never heard of, it’s a scam. If you follow their prompts, create an account on the exchange and enter the given promo code, it will appear as though the funds you “won” are in your account. However, you can’t withdraw or trade them until you “verify your wallet” by depositing a decent amount of BTC. This will, unsurprisingly, res...

SCAM REVIEW: You’ve Won .38 BTC From Our New Exchange!

Know Your Crook

Bottom Line Up FrontIf you receive a random DM from someone you don’t know, congratulating you on winning a giveaway you never entered, from a crypto exchange you’ve never heard of, it’s a scam. If you follow their prompts, create an account on the exchange and enter the given promo code, it will appear as though the funds you “won” are in your account. However, you can’t withdraw or trade them until you “verify your wallet” by depositing a decent amount of BTC. This will, unsurprisingly, res...

Know Your Crook

Educating readers on how to identify and avoid crypto scams, phishing schemes, and other financial crimes.

Know Your Crook

Educating readers on how to identify and avoid crypto scams, phishing schemes, and other financial crimes.

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Know Your Crook

Written by

Know Your Crook