Collection Finance 2026.07.09

Collection of Security Checklists to Avoid Scams and Hacks Before Coin Investment

From phishing sites to seed phrase requests, leading rooms, guaranteed high returns, and address contamination attacks — vital risk signals to watch out for in coin security

#Virtual Assets #Fishing #Security #Coin #Fraud Prevention

The most dangerous aspect of the coin market is not just falling prices. Security threats targeting user mistakes, such as phishing sites, fake exchanges, leading room scams, seed phrase theft, and address contamination attacks, continue to emerge. The U.S. FTC and various security agencies indicate that many coin scams often start from social media, messengers, dating apps, fake customer service, and investment solicitation messages. Since coins are difficult to reverse once sent, it's very important to develop good security habits before trading. This list summarizes key risk signals and checkpoints that every newbie should know before investing real money.

Seed Phrase Request Scams

Seed phrases are the keys to recovering your wallet, so they should never be disclosed to anyone. If you are asked to enter your seed phrase under the guise of customer service, events, airdrops, rewards, or security checks, there's a very high chance it's a scam. Legitimate wallet services or exchanges never ask for your seed phrase. Once exposed, an attacker can restore the wallet and steal your assets, and blockchain transfers are hard to reverse. It’s also advisable not to store your seed phrase in online notepads or messengers.

핵심 포인트 시드구문은 지갑 자산을 통제하는 핵심 열쇠 추천 대상 개인 지갑을 사용하는 사람 확인 팁 어떤 이유로도 시드구문을 입력하거나 공유하지 않기

Fake Exchanges and Phishing Sites

Fake exchanges and phishing sites create screens very similar to official services and trick users into entering their ID, password, and two-factor authentication codes. Accessing through search ads, messenger links, or emails may redirect you to a slightly different site. It's essential to get into coin exchanges or wallet services only through saved official addresses or official apps. Check the address bar before logging in, and if they suddenly request additional information for a security update or asset freeze release, it’s safer to halt the process immediately.

핵심 포인트 공식 사이트처럼 꾸민 가짜 페이지를 주의 추천 대상 거래소와 지갑에 자주 로그인하는 사람 확인 팁 공식 앱·즐겨찾기 주소로만 접속

Principal Guarantee and High Yield Guarantee Investment Groups

Guaranteed Principal & High Return Leading Rooms

Coin leading room scams often approach users with phrases like “guaranteed principal,” “daily fixed profits,” “inside information before listing,” and “VIP signals.” Initially, they may show small profits or provide fake trading screens to build trust and later entice users to deposit larger amounts. In normal investments, there is always a risk of loss, so be wary of any promises of guaranteed returns. In particular, if they demand payment of taxes, fees, or commissions before you can withdraw, it can lead to more serious losses.

핵심 포인트 확정 수익과 원금 보장은 대표적인 위험 신호 추천 대상 메신저 투자방에 초대된 사람 확인 팁 수익 인증보다 출금 가능성과 공식 등록 여부 확인

Address Contamination Attack

Address Contamination Attacks

Address contamination attacks involve leaving wallet addresses that look similar to a user's transaction history, tricking them into copying that address by mistake during the next transfer. Many addresses created with just a few characters being similar can easily deceive users if they check carelessly. Recent studies have pointed out that several wallets lack adequate warnings for these types of attacks. When sending coins, it’s best to check the entire address or your address book instead of just looking at a few characters from the beginning or end, and always test a small amount first before sending larger sums.

핵심 포인트 비슷한 주소를 이용해 오송금을 유도하는 공격 추천 대상 개인 지갑 전송을 자주 하는 사람 확인 팁 주소록과 테스트 전송을 활용

Fake Airdrop and Minting Links

Fake airdrops and minting links create urgency with phrases like “free distribution,” “limited quantity,” and “connect now to receive.” After connecting your wallet, approving signature requests might grant malicious contracts the power to move your assets. Not all airdrops are scams, but you should be particularly cautious of links with unclear sources or accounts impersonating reputable projects. Before connecting your wallet, verify if it’s through official channels, and don’t approve signatures if you don’t understand the authority you’re granting.

핵심 포인트 무료 보상 심리를 이용한 지갑 권한 탈취 위험 추천 대상 NFT·디파이·에어드롭에 관심 있는 사람 확인 팁 서명 요청 내용을 이해하기 전 승인하지 않기

Exchange Two-Factor Authentication and Withdrawal Security

Exchange accounts are too risky to be protected by just an email and password. Enabling security features such as app-based two-factor authentication, withdrawal address registration, login notifications, and withdrawal delays can reduce the likelihood of harm. SMS verification might be vulnerable to phone number theft or smishing, so it’s best to use an authentication app if possible. Don’t share passwords across different sites, and also strengthen the security of your email account. Exchange security isn't a one-time setup but should be periodically reviewed.

핵심 포인트 거래소 계정 탈취와 무단 출금 예방 추천 대상 거래소에 자산을 보관하는 사람 확인 팁 인증 앱, 출금 주소록, 로그인 알림 설정

Investment Solicitation Messages on Messengers and SNS

Investment Solicitation Messages via Messengers and SNS

Coin investment scams often start from unfamiliar messages. They initially approach users through casual conversation or by building rapport and then introduce specific exchanges or investment platforms to lure deposits. Various channels such as dating apps, Instagram, Telegram, and KakaoTalk open chats are used. Even if you see what looks like real profits, it could be a manipulated page. If a stranger tells you about investment opportunities or directs you to a site that isn’t an official exchange for deposits, it’s safer to stop the conversation and verify.

핵심 포인트 관계 형성 후 투자 권유로 이어지는 사기 패턴 추천 대상 SNS와 메신저에서 투자 제안을 받은 사람 확인 팁 공식 거래소가 아닌 사이트 입금 요구는 중단

Small Amount Test Transfer Habit

Habits of Sending Small Test Transfers

Coin transfers are hard to reverse in case of mistakes, unlike bank transfers. If there's a single character mistake in the address, a wrong network selection, or an issue with memo tags, you could lose your assets. Therefore, it’s crucial to develop a habit of making small test transfers first before sending larger amounts, confirming that the deposit is normal afterward. Although it might incur slightly higher fees, considering the risk of mistaken transfers, this is a much safer method. Especially when using a new exchange or wallet, or a new network, always perform a test transfer first.

핵심 포인트 오송금과 네트워크 실수를 줄이는 안전 습관 추천 대상 코인 입출금을 직접 하는 사람 확인 팁 처음 보내는 주소는 반드시 소액으로 테스트

The most important principle in coin security is not to ‘rush to click’. By not opening links immediately, not copying addresses, not entering seed phrases, and not responding to guaranteed profit messages, you can significantly reduce potential harm. Legitimate exchanges or wallet services do not ask for your seed phrase and do not promise principal guarantees or fixed returns. If something seems off, it's safer to stop the transaction and double-check through official apps, official websites, financial authorities, or consumer protection resources.

한눈에 보기 8개

Seed Phrase Request Scams

시드구문은 지갑 자산을 통제하는 핵심 열쇠 · 개인 지갑을 사용하는 사람 · 어떤 이유로도 시드구문을 입력하거나 공유하지 않기

Fake Exchanges and Phishing Sites

공식 사이트처럼 꾸민 가짜 페이지를 주의 · 거래소와 지갑에 자주 로그인하는 사람 · 공식 앱·즐겨찾기 주소로만 접속

Principal Guarantee and High Yield Guarantee Investment Groups

확정 수익과 원금 보장은 대표적인 위험 신호 · 메신저 투자방에 초대된 사람 · 수익 인증보다 출금 가능성과 공식 등록 여부 확인

Address Contamination Attack

비슷한 주소를 이용해 오송금을 유도하는 공격 · 개인 지갑 전송을 자주 하는 사람 · 주소록과 테스트 전송을 활용

Fake Airdrop and Minting Links

무료 보상 심리를 이용한 지갑 권한 탈취 위험 · NFT·디파이·에어드롭에 관심 있는 사람 · 서명 요청 내용을 이해하기 전 승인하지 않기

Exchange Two-Factor Authentication and Withdrawal Security