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Since the last month update, 5000 GRC coins for Solo mining are collected via different sources. My GrcPool performance was finally great due to computing for Amicable numbers project. The GRC earnings jumped from 20 GRC in October to 248+ coins as of now.
This is how magnitude reacted on NVIDIA GPU before and after I switched from the GrcPool to the Solo mining.
And that was an earning curve:
The conclusion that I can make is that GrcPool works very good. If is only a question to select projects with higher magnitude. The only difference seems that if any scientific discovery is made, it can not be associated with an individual contributor. Mining solo would record an individual contribution to the discovery of an Amicable pair of a pulsar.
Gridcoin wallet installation was not very straight forward but was successful after some ups and downs.
Conclusion: Gridcoin wallet installation is not difficult but if is always possible to compute with BOINC either without any Gridcoin at all of with a GrcPool. It maybe possible that things get better in the future.