Glossary

Crypto Glossary

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A

Goggle Coins Crypto Glossary

Airdrop

A free distribution of cryptocurrency, usually as a promotion or reward.Projects use airdrops to gain attention or reward users for holding or interacting with their platform.

Altcoin

Any cryptocurrency other than Bitcoin (e.g., Solana, GOGG)

B

Blockchain

A decentralised digital record of transactions, spread across many computers.
Every new entry is linked to the last — making it secure, transparent, and hard to alter.

C

Cold Wallet

A crypto wallet that is kept offline.
Used for secure long-term storage, often in the form of USB-like devices.

Custodial Wallet

A wallet where a third party (like an exchange) controls your private keys.
Easier to use but means you don’t have full control over your funds.

D

DeFi (Decentralised Finance)

Financial services built on blockchain — no banks or middlemen.
Examples: lending, borrowing, earning interest — all done with smart contracts.