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ScamSonnar Blog

Educational articles on crypto scams, wallet security, and how to spot risky tokens and contracts.

367 articles · page 12 of 16

What Is a Permanent Delegate on a Solana Token?

A Permanent Delegate can move any holder's tokens indefinitely, without their approval. Here's what this Token-2022 extension actually grants.

September 16, 2026

What Is the Transfer Fee Extension on Solana Tokens?

The Transfer Fee extension takes a cut of every transfer — a standard Solana feature, not a hidden scam by default. Here's what to check about it.

September 16, 2026

How Does Front-Running Differ From a Sandwich Attack?

Both exploit the same mempool visibility, but front-running races to an opportunity while a sandwich attack surrounds your trade specifically. Here's the difference.

September 16, 2026

What Is MEV in Crypto?

MEV isn't one specific attack — it's an umbrella term covering front-running, sandwich attacks, arbitrage, and more. Here's the full picture.

September 16, 2026

What Is a Private Transaction Relay and Why Use One?

A private relay skips the public mempool entirely, so MEV bots never see your trade coming — a more fundamental fix than adjusting slippage alone.

September 16, 2026

How Can You Protect a Transaction From MEV Bots?

Tighter slippage, private relays, smaller trade sizes — here are the practical steps that actually reduce exposure to MEV bots, and their real limits.

September 16, 2026

What Happens When a Yield Farming Protocol Rug Pulls?

Staked funds sit inside the farming contract itself — which means a rug pull here doesn't need to touch any liquidity pool at all. Here's how it works.

September 16, 2026

Why Can a High APY Yield Farm Be a Warning Sign?

An extreme APY often comes from a protocol's own new token emissions, not real yield — and can mask an unsustainable structure or an outright rug pull.

September 16, 2026

What Is Impermanent Loss for Liquidity Providers?

Providing liquidity earns fees — but the pool's automatic rebalancing can quietly leave you worse off than just holding. Here's how impermanent loss works.

September 16, 2026

What Does High Slippage Tolerance Expose You To?

Raising slippage tolerance fixes failed transactions — and directly widens how much a sandwich attack can extract from you. Here's the trade-off.

September 16, 2026

What Is a Sandwich Attack in Crypto Trading?

A sandwich attack profits from your trade in the seconds before it confirms — no hacking required, just visibility. Here's exactly how it works.

September 16, 2026

How Do MEV Bots Front-Run Your Transaction?

MEV bots don't need inside information — just visibility into the public transaction queue and enough speed to act on it first. Here's how it works.

September 16, 2026

Why Searching by Ticker Symbol Can Be Risky and How to Do It Safely

Ticker symbols aren't unique — anyone can deploy a token using a trending name. Here's why the contract address is the only identifier that actually matters.

September 15, 2026

Why Is a Desktop or Web App Better for Checking Crypto Tokens?

A mobile scan is fast — but screen size and distraction level actually change how thoroughly a check gets done. Here's why bigger decisions deserve a bigger screen.

September 15, 2026

Why Presale and Private Sale Crypto Tokens Carry Extra Risk

A presale means buying a promise, not a live token — with none of the usual liquidity or contract checks available yet. Here's what that risk actually looks like.

September 15, 2026

What Flash Loan Attacks Are and Why They Can Drain a Protocol in One Transaction

A flash loan lets someone borrow millions with zero collateral, repaid in one transaction. Here's how that mechanism gets turned into a protocol exploit.

September 15, 2026

What Cross-Chain Bridges Are and Why They Attract High-Value Exploits

Bridges move assets between blockchains — and have produced some of crypto's largest single losses. Here's why they concentrate so much risk in one place.

September 15, 2026

How to Verify an NFT Collection Before You Mint or Buy

An NFT collection's website can look perfect while the contract tells a different story. Here's what to actually check before you mint or buy.

September 15, 2026

What to Do If You Already Sent Funds to a Risky Address

A crypto transaction can't be reversed once confirmed — but what you do next still matters. Here's the actual sequence of steps worth taking.

September 14, 2026

How the "Free Bitcoin Giveaway" Pattern Works on X

"Send crypto, get double back" has worked as a scam for years because it keeps finding a fresh audience. Here's exactly how the pattern operates on X.

September 14, 2026

Crypto Telegram Group With Disabled Comments: A Scam Pattern

A Telegram group with disabled comments removes the one tool that could expose a scam early. Here's why that pattern matters, and what to check instead.

September 14, 2026

Remote Job Crypto Tasks: Warning Flags to Recognize

"Remote crypto task" job offers often start with real, small payments — then require deposits to unlock bigger earnings. Here's how that structure works.

September 14, 2026

Can a "Recovery Hacker" on Instagram Get Your Crypto Back?

After a crypto scam, "recovery hackers" often appear next, promising your funds back for a fee. Here's why that promise is impossible from the start.

September 14, 2026

Online Dating Crypto Trading Scam: Signs to Watch For

A romance scam rarely opens with money — it opens with weeks of genuine-feeling connection first. Here's how the shift to crypto "advice" typically unfolds.

September 14, 2026