200 blockchain & crypto terms with simple definitions — perfect for students, teachers, and future innovators.
A digital ledger that records transactions across many computers.
A group of transactions stored together.
Blocks linked together in order.
A computer connected to a blockchain network.
Record of all transactions.
No central authority controlling the system.
Data shared across many computers.
Agreement on transaction validity.
Rules of a blockchain network.
Direct transactions without middlemen.
Digital money using blockchain.
First and most known cryptocurrency.
Any crypto other than Bitcoin.
Digital asset built on blockchain.
Crypto tied to stable value like USD.
Token used for services in a network.
Token representing ownership.
Fun/community crypto like Dogecoin.
Crypto with its own blockchain.
Any value stored digitally.
Securing data with math.
Unique code representing data.
Mining power of a network.
Protecting data with codes.
Secret code controlling crypto.
Address to receive crypto.
Backup words for wallet recovery.
Proof of ownership in transactions.
Offline crypto storage.
Online crypto wallet.
Stores crypto keys.
Exchange holds your keys.
You hold your keys.
Physical crypto storage device.
App-based wallet.
Printed keys.
Multiple approvals required.
Wallet receiving location.
Copy of wallet keys.
Words to restore wallet.
Verifying transactions and earning rewards.
Person or machine mining crypto.
Mining validation system.
Validation by holding coins.
A blockchain validation system where participants earn rewards by demonstrating verified knowledge and completing educational milestones.
Confirms transactions.
Locking crypto to earn rewards.
Crypto earned for mining.
Group mining together.
Hardness of mining.
Reduction of mining rewards.
Platform to buy/sell crypto.
Company-run exchange.
Peer-to-peer exchange.
Prices rising.
Prices falling.
Hold long-term.
Total value of a crypto.
Amount traded.
Ease of buying/selling.
Collection of investments.
Return on investment.
Price movement speed.
Fear of missing out.
Fear, uncertainty, doubt.
Large crypto holder.
Rapid price increase.
Rapid sell-off.
All-time high price.
All-time low.
Buy vs sell price difference.
Self-executing digital agreement.
Major smart contract blockchain.
Transaction fee on Ethereum.
Decentralized application.
Decentralized internet.
Real-world data provider.
Base blockchain.
Built on top to scale.
Parallel blockchain.
Live blockchain network.
Finance without banks.
Earning rewards from crypto.
Shared crypto for trading.
Annual percentage yield.
Crypto lending system.
Taking loans using crypto.
Asset backing a loan.
Exchange tokens instantly.
Smart contract exchange.
Instant crypto loan.
Unique digital asset.
Creating NFT.
NFT information.
Creator earnings per sale.
Virtual digital world.
Digital character.
NFT land ownership.
Gaming + finance.
Earn crypto from games.
NFT item.
Decentralized autonomous organization.
Voting power token.
Suggested change.
Community decisions.
Government rules.
Following laws.
Know your customer verification.
Anti-money laundering rules.
US regulator.
Official currency.
Economics of a token.
Total tokens available.
Tokens in market.
Maximum tokens.
Destroying tokens.
Creating tokens.
Free token distribution.
Timed token release.
Tokens frozen temporarily.
Supply increase.
Transactions per second.
Ability to grow.
Transaction delay.
Network speed.
Blockchain split.
Major change.
Minor change.
Network improvement.
Confirms blocks.
Stores full blockchain.
Blockchains working together.
Between blockchains.
Connects blockchains.
Tokenized version of another coin.
Privacy verification.
Anonymous crypto.
Splitting blockchain workload.
Bundled transactions.
Privacy scaling tech.
Fast scaling method.
Corporate blockchain use.
Product tracking via blockchain.
Turning assets into tokens.
Blockchain ID.
Tokenized ownership.
Completing transaction.
Sending money abroad.
Financial technology.
Money transfer system.
Businesses accepting crypto.
Browser wallet.
Creator tokens.
Earn via content.
Token use case.
Owning digital items.
Public code.
No approval needed.
No trust required.
Cannot change.
Open records.
Software development kit.
Software connection tool.
Testing blockchain.
Reward for finding bugs.
Code repository.
Project explanation.
Future plan.
Project start.
Selling tokens.
Initial coin offering.
Project supporters.
People using crypto.
Network of projects.
Project collaboration.
Systems working together.
Promotes crypto.
Project promoter.
Community gathering.
Coding competition.
New ideas.
Central bank digital currency.
US digital currency idea.
Stocks on blockchain.
Physical assets on chain.
Shared ownership.
Smart contract money.
Combined technologies.
Future-proof security.
Self-owned ID.
Activity on blockchain.
Outside blockchain.
Record of holdings.
Blockchain search tool.
Crypto symbol.
Two assets traded.
Price change during trade.
Buy/sell list.
Set price trade.
Instant trade.
Growth of users.