Web3 Basics
Blocks, hashes, consensus, smart contracts. The ideas every other Web3 topic builds on.
See a sample question
Which consensus mechanism does Bitcoin use?
Proof of WorkShort quizzes on blockchain basics, wallet safety, crypto history and cryptography puzzles. Every answer comes with a one-line explanation, so you learn even when you miss.
Try a real question on the right. No sign-up needed.
Start with the basics, then move on to keeping your assets safe, the stories behind the big projects, and the puzzles that make cryptography click.
Blocks, hashes, consensus, smart contracts. The ideas every other Web3 topic builds on.
Which consensus mechanism does Bitcoin use?
Proof of WorkSeed phrases, hardware wallets, phishing and approvals. Habits that keep your funds yours.
Who should know your wallet's seed phrase?
Only youFrom the Bitcoin white paper to today's networks. The people, projects and events that shaped the space.
Who published the Bitcoin white paper in 2008?
Satoshi NakamotoHashing, keys and signatures through logic questions that reward careful thinking.
Change one character in a hash function's input. What happens to the output?
It changes completelyPick a topic, answer a question, and move on. Nothing to read before you start.
Choose one of the four topics from the home screen. Each question is multiple choice with a single right answer.
Right or wrong, you see a short explanation straight away. That is where most of the learning happens.
Correct answers earn points. Connect your wallet to claim rewards when they are available.
No. The basics topic starts from zero, and every question explains its answer. Move to harder topics when you are ready.
You can answer questions without one. A wallet is only needed to claim rewards.
Never. Mind Surge will never ask for your seed phrase or private key, and neither should any other app or person.
No. It is an educational quiz. Nothing in the app or on this site is investment advice.
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