Certified Crypto Markets blogg

Krypto, förklarat.
Bedrägerier, avslöjade.

Lättbegripliga guider som skyddar dina pengar: hur du researchar ett projekt, känner igen ett bedrägeri, förvarar mynt säkert och förstår varje större kryptovaluta.

4 artiklar för ”blockchain basics” · rensa

What Are Layer 1 and Layer 2 Blockchains?

Layer 1 vs layer 2 explained: what base blockchains and scaling networks are, how rollups work, the trade-offs in security and fees, and the risks to watch.

10 okt. 2026 · 5 min läsning

What Is a Smart Contract?

What is a smart contract? Learn how self-executing blockchain programs work, what they power, their limits and risks, and how to check one before you use it.

4 okt. 2026 · 5 min läsning

Proof of Work Explained

Proof of work explained simply: how mining secures blockchains like Bitcoin, why it uses energy, how difficulty adjusts, and its main risks and criticisms.

3 okt. 2026 · 5 min läsning

What Is a Blockchain and How Does It Work?

What is blockchain? A plain-English guide to blocks, hashes, nodes and consensus, with what blockchains are good at, where they fall short and key risks.