What will happen when someone will buy more than a half of bitcoins

If someone were to buy more than half of the existing bitcoins, they would have significant control over the network, known as 51% control. With this level of control, they would be able to manipulate the network in various ways, such as:

1. Double-spending: The individual with 51% control could attempt to spend the same bitcoins twice, essentially counterfeiting bitcoins. This could have significant consequences for the stability and trust of the network.
2. Reversing transactions: The individual with 51% control could also reverse transactions that have already been confirmed on the network. This would undermine the integrity and security of the network, and it could lead to a loss of trust among users.
3. Preventing new transactions: The individual with 51% control could also prevent new transactions from being added to the blockchain, effectively rendering the network useless.
4. Blocking specific transactions: The individual with 51% control could also choose to block specific transactions from being confirmed, effectively censoring certain transactions or addresses on the network.

It’s worth noting that achieving 51% control of the network would require an immense amount of computing power and investment, and it would also be a highly visible event in the Bitcoin community. As a result, such an attempt would likely be met with significant resistance and backlash from the community, and it could even lead to a hard fork in the network, which would create two separate blockchains.

In conclusion, if someone were to buy more than half of the existing bitcoins, they would have significant control over the network. However, such an attempt would be a highly visible event in the community and it would likely be met with significant resistance. The integrity and security of the network would be at risk, and it could have significant consequences for the stability and trust of the network.