Additionally, you get paid any transaction fees that were attached to the transactions you inserted into the next block. But if you think about it, the mining part is just a by-product of the transaction confirmation process. So the name is a bit misleading, since the main goal of mining is to maintain the ledger in a decentralized manner. As you can imagine, since mining is based on a form of guessing, for each block, a different miner will guess the number and be granted the right to update the blockchain.
Where do I sign up? So the difficulty of the mining process is actually self-adjusting to the accumulated mining power the network possesses. If more miners join, it will get harder to solve the problem; if many of them drop off, it will get easier. This is known as mining difficulty. Why on earth did Satoshi do this? Well, he wanted to create a steady flow of new bitcoins into the system.
In a sense, this was done to keep inflation in check. Mining difficulty is set so that, on average, a new block will be added every ten minutes i. Now, remember, this is on average. We can have two blocks being added minute after minute and then wait an hour for the next block. Researchers have pointed out that the history of each bitcoin is registered and publicly available in the blockchain ledger, and that some users may refuse to accept bitcoins coming from controversial transactions, which would harm bitcoin’s fungibility.
Bitcoin scalability problem The blocks in the blockchain were originally limited to 32 megabyte in size. The block size limit of one megabyte was introduced by Satoshi Nakamoto in Eventually the block size limit of one megabyte created problems for transaction processing, such as increasing transaction fees and delayed processing of transactions. Transactions contain some data which is only used to verify the transaction, and does not otherwise effect the movement of coins. SegWit introduces a new transaction format that moves this data into a new field in a backwards-compatible way.
The segregated data, the so-called witness, is not sent to non-SegWit nodes and therefore does not form part of the blockchain as seen by legacy nodes.
This lowers the size of the average transaction in such nodes’ view, thereby increasing the block size without incurring the hard fork implied by other proposals for block size increases. Thus, per computer scientist Jochen Hoenicke, the actual block capacity depends on the ratio of SegWit transactions in the block, and on the ratio of signature data.
The central bank must be trusted not to debase the currency, but the history of fiat currencies is full of breaches of that trust.
The Argument Refined,  in which he advocates a complete free market in the production, distribution and management of money to end the monopoly of central banks.