No wonder mining is so hard!

The most profitable thing in the cryptocurrency world is the information gap, nothing else!
Historically, Bitcoin mining experienced an annualized return of 400%. Even during a bear market, the yield far exceeded that of the declining traditional industries, but the current annualized return is only around 12.5%-20%.

Recently, researching on-chain data and GPU mining machines, I suddenly found a coin with very good data, which is
!
1. Where is it good?
On one hand, the annualized return of CKB mining is 34.74%, with a payback period of 2.62 years! (Cost and revenue calculation: the K7 mining machine currently costs about $3,800, assuming an electricity price of $0.1 per kWh, daily income of $11.53, daily electricity cost of $7.39, resulting in a daily net income of $4.13.)