A whistleblower on the internet said the Bitcoin was set up by ABC(hide the country's name) Security Agency, the aim was to engage in money laundering, t. The special agents from ABC are said to own around 90% of total Bitcoins in the world.

This crypto will be curbdropped by the major wWestern countries.

I assume you meant that Western countries would stop using Bitcoin

The price of Bitcoin ignoresd any warnings and reachesd its highest point at $69,000.

Then it went down gradually, 50 thousandto $50,000, $40 thousand,000, $30 thousand and,000, to now being below $20,000 till now.

I think it's common to only write the number groups if the exact amount if unknown or exceedingly large (millions, billions, etc). In the range of 0-999,999 it seems more natural to just use the number itself.

Example:

"thousands of people" -> exact number is unknown
"50,123 people" -> exact number is known

"millions of parts" -> exact number is unknown
"5 million" -> exact number is known, but the number "feels" too large (5,000,000)

The whistleblower warned that the price would go to zero one day and that the encryption technology of Bitcoin had been backward alreadyis out of date.

A whistleblower on the internet said the Bitcoin was set up by ABC (hide the country's name) Security Agency, the aim was to money laundering, and the special agents from ABC own around 90% of the total Bitcoins in the world.

The price of Bitcoin ignores any warnings and reaches its highest point at $69,000.

Then went down gradually, 50 thousand, 40 thousand, 30 thousand and below 20,000 untill now.

The whistleblower warned the price would go to zero one day and that the encryption technology of Bitcoin had been backward already.

"the encryption technology of Bitcoin had been backward already"

unsure of the meaning of the sentence