TECHNICAL CONCEPTS
Block (Blockchain Block)
Definition
A block is a collection of transactions that are bundled together and added to the blockchain. Each block contains a cryptographic hash of the previous block, creating an immutable chain.
Example
Example
An Ethereum block contains multiple transactions and is produced approximately every 12 seconds.
Risks to Consider
Risks
- Block reorganization
- Confirmation delays
- Network forks
Common Questions
How many confirmations do I need?
For high-value transactions, wait for 6+ confirmations on Ethereum. For smaller amounts, 1-3 confirmations are usually sufficient.