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# System prepended metadata

title: <center><i class="fa fa-edit"></i> 5.1 The Task of Bitcoin Miners</center>
tags: [Blockchain]

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# <center><i class="fa fa-edit"></i> 5.1 The Task of Bitcoin Miners</center>
###### tags: `Blockchain`
The following notes are taken from [Coursera](https://www.coursera.org/learn/cryptocurrency/home/week/2)

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### Recap
- Bitcoin depends on miners to:
    - Store and broadcast the block chain
    - Validate new transactions
    - Vote (by hash power) on consensus

### Mining Bitcoins in 6 easy steps
1. Join the network, listen for transactions
    2. Validate all proposed transactions
3. Listen for new blocks, maintain blockchain
    4. When a new block is proposed, validate it
5. Assemble a new valid block
6. Find the nonce to make your block valid 
7. Hope everybody accepts your new block
8. Profit

Overall current difficulty = 2^66.2 
