How do I get Silver?

You can obtain Silver in any of the following ways:

From Treasure Chests (in fact, you can collect one for free, and it will become available for free again in 2 hours!);
From Chests afloat in the sea;
For completing Main and Side Encounters;
For completing Sunday Confrontations;
From Pirate Ship battles and Domination Sites;
For completing Daily Quests and winning Boss battles;
As a reward for winning Tournaments;
By purchasing directly from the Shop;
From various special offers.