Let's say Dalai Lama decided to follow MicroStrategy with a 400M purchase.
His BTC could be near unusable if China were to control some amount over 50% of mining capability.
How could that happen? The blocks you mine you simply not process any of "undesirable transactions".
If any of the lesser miners find a block and try to add a transaction to the ledger you perform a double spend attack.
Let's say Dalai Lama decided to follow MicroStrategy with a 400M purchase.
His BTC could be near unusable if China were to control some amount over 50% of mining capability.
How could that happen? The blocks you mine you simply not process any of "undesirable transactions".
If any of the lesser miners find a block and try to add a transaction to the ledger you perform a double spend attack.