The Spirit Energy Plane only got stuck with the name Abyss Channel because the Abyss Channel could not speak up for itself.
As for why it was named that? Maybe because "descending into the abyss" sounded cool.
The people of the Abyss Plane had never called the Abyss Channel the Abyss Channel in the first place. They called it World Zero.
It was only because the Spirit Energy Plane kept calling it the Abyss Channel that people outside the Abyss thought adding their own world's prefix before "World Zero" sounded cool, so the name was accepted by default.
Gold coins were the legal currency of the Abyss Channel. Although hardly anyone used them, aside from bartering, gold coins were always the universal choice when buying goods from traveling merchants.
That was because these traveling merchants could use their merchant privileges to refresh the daily supplies provided by the Abyss Channel in their back-end stores, and those supplies were purchased with gold coins.
Traveling merchants were always short on gold coins because they also needed to stock up from the Abyss Channel's official channels. It was also one of the main sources for rare items.
Items refreshed in the merchant back end could potentially include divine artifacts. The odds were small, but if a divine artifact appeared and they had no gold coins to buy it, those people would be dumbfounded.
And divine artifacts could not be saved for later, because the shop refreshed at midnight every day.
Merchants from different factions refreshed different types of goods. So Chen Luo had to choose a good faction.
It was worth mentioning that Unranked Equipment was priced at its proper value in the merchant back end, so every merchant could make a small profit whenever they refreshed Unranked Equipment.
As for sources of