Security Archives - Blocks Decoded

Commentary

A History of 51 Percent Attacks on Blockchains and Cryptocurrencies

Check out our rundown of the most notorious 51 percent attacks of all-time and how they came to be.

By Dan PriceMarch 8, 20190

Commentary

Cryptocurrency Scams Can’t Be Reversed: Here’s How to Spot One

Cryptocurrency transactions cannot be undone, so here's how to spot one, and what to do to avoid them.

By Joe CoburnFebruary 22, 20190

Commentary

What Is a 51 Percent Attack? A Simple Explanation

Cryptocurrencies are vulnerable to a phenomenon known as a "51 percent attack," which could put your assets and transactions at risk.

By Dan PriceFebruary 1, 20191

Commentary

How to Spot an ICO Scam: These 10 Warning Signs Ought to Make You Think Twice

Getting sucked into a cryptocurrency ICO scam could be disastrous. Here are some warning signs you need to spot and avoid!

By Dan PriceNovember 16, 20180

Commentary

3 Reasons Why Crypto Exchanges Are Vulnerable to Hacks and Attacks

Here are the main reasons why crypto exchanges remain vulnerable to scams, fraud, hacks, and attacks to this day.

By Gavin PhillipsNovember 13, 20180

Guide

Bitcoin Cold Storage: How to Store Cryptocurrency in an Offline Wallet

Cold wallets are the safest way to store cryptocurrency. Here's a step-by-step guide on how to start doing it yourself.

By Joe CoburnNovember 7, 20180

Guide

What Is Cryptojacking? How Crypto Mining Websites Secretly Use Your CPU

Cryptojacking is when a crypto mining website hijacks your computer to mine cryptocurrency.

By Gavin PhillipsOctober 5, 20180

Guide

How to Keep Your Cryptocurrency Safe: 10 Common Mistakes to Avoid

The most common mistakes people make when handling, storing, and trading cryptocurrency.

By Dan PriceSeptember 26, 20180

Guide

Public vs. Private Blockchains: Understanding the Differences

What is a private blockchain and how does it differ from a public blockchain? Here's everything you need to know.

By Joe CoburnSeptember 17, 20180

Commentary

How Secure Are Your Bitcoin Transactions Really?

Blockchain technology theoretically makes a Bitcoin transaction secure, but there are two sides to every coin.

By Dan PriceSeptember 12, 20181

Tag: Security

A History of 51 Percent Attacks on Blockchains and Cryptocurrencies

Cryptocurrency Scams Can’t Be Reversed: Here’s How to Spot One

What Is a 51 Percent Attack? A Simple Explanation

How to Spot an ICO Scam: These 10 Warning Signs Ought to Make You Think Twice

3 Reasons Why Crypto Exchanges Are Vulnerable to Hacks and Attacks

Bitcoin Cold Storage: How to Store Cryptocurrency in an Offline Wallet

What Is Cryptojacking? How Crypto Mining Websites Secretly Use Your CPU

How to Keep Your Cryptocurrency Safe: 10 Common Mistakes to Avoid

Public vs. Private Blockchains: Understanding the Differences

How Secure Are Your Bitcoin Transactions Really?

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