Definitions
Scams
Popular Cryptocurrencies
Cryptographic Techniques
Misc. Cryptocurrency Subjects
100

A digital currency maintained by a decentralized system

What is cryptocurrency

100

Fraudsters deceive people into providing sensitive information by pretending to be legitimate entities.

What is Phishing

100

Most popular cryptocurrency

What is Bitcoin (BTC)

100

A process that converts plaintext into an unreadable format using a secret key

What is encryption

100

The risk of investing in crypto

What is very high

200

A shared, immutable ledger that facilitates the process of recording transactions and tracking assets in a business network

What is the blockchain

200

when someone threatens to reveal private information unless they receive money or favors

What is blackmail

200

Second most popular cryptocurrency

What is Ethereum (ETH)

200

This algorithm is widely used for secure data transmission and is based on the difficulty of factoring large numbers.

What is RSA

200

Machines that allow users to buy and sell cryptocurrencies using cash or debit cards.

What are crypto ATMs

300

Using computing power to verify transactions to add new blocks to the blockchain

What is Mining

300


Fraudsters inflate a coin's price with misleading statements, then sell at the peak, causing losses for other investors.


What is Pump and Dump

300

Third most popular cryptocurrency

What is Tether (USDT)

300

A form of encryption where the same key is used for both encryption and decryption of data

What is symmetric encryption

300

A facility with powerful computers that mine cryptocurrencies

What is a crypto farm

400

Miners using an algorithm to produce a hash from the block header

What is Hashing

400

A scam where fake projects promise high returns to investors but disappear with their funds 

What is a fraudulent initial coin offering

400

Fourth most popular cryptocurrency

What is XRP (XRP)

400

cryptographic technique ensures the authenticity and integrity of a message using a mathematical scheme

What is a digital signature

400

In blockchain terminology, this is the pseudonymous identity used by participants to send and receive cryptocurrency.

What is a wallet address

500

A number used once to ensure that each blockchain transaction is unique

What is a Nonce

500


Promise high returns from cryptocurrency mining but actually steal investors' funds without delivering any returns.


What is a cloud mining scam

500

Fifth most popular cryptocurrency

What is Solana (SOL)

500

hash function that is widely used in cryptocurrencies for proof-of-work calculations and transaction verification

What is SHA-256 (secure hash algorithm 256-bit)

500

3 steps of the mining process

What is Hashing, Finding a specific hash, and nonce