Bitcoin’s security is not cryptographic, it is Economic

Proof of Work —

What do Bitcoin nodes do? illustration

Validating transactions is a by-product of mining

Proof of Work

Exponentially increasing hashpower secures the Bitcoin network

The Nakamoto consensus

Mining Pools

PoW vs PoS





Love podcasts or audiobooks? Learn on the go with our new app.

Recommended from Medium


MEXC Global Integrates Wyre to Provide Users with International Wire Transfers

Brave Browser Crypto — How Much BAT I Earned in December 2021 (highest payout yet!)

Biswap Key Metrics — Present-Day Statistics!

Crypto ₿its: Bitcoin Hard Fork, SEC Drops a Hammer, Laundering Billions & Dinosaurs

What is a decentralised exchange?

How WallStreetBets affect different industries

How WallStreetBets affect different industries (by bit4you)

6 Easy Steps Mint an NFT and ERC-721 Smart Contract

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store


More from Medium

Jeff Bezos Bitcoin Profit — Review

The Untold Truth About Bitcoin and Other Cryptocurrency

Day 85

The Most Common Bitcoin Questions.