surprisingly after days the cpm has changed with a great impulse taking it to 100.

What is cpm?

The cpm is the cost per 1,000 impressions, and is split between the buyer and the advertiser.

What has been the highest cpm on the platform.

Without a doubt, the highest cpm there has been is 150, which is distributed 75 for the buyer and 75 for the advertiser, for every 1000 impressions.

what was the reason for lowering it to 50.

The main reason for its reduction was to stabilize the bbs network token, also in a certain way to distance people who came to the platform only for money, without contributing any content or low quality.