Players using Zynga's main portal can use bitcoins for seven games.
Zynga said it had settled a lawsuit alleging theft of trade secrets by a former employee, with the employee also issuing an apology.
Times are hard in Farmville as its owner, social games company Zynga reports that its user base has declined by almost a half in the past year.
Zynga CEO Mark Pincus pursued Microsoft's Xbox chief for several months and had no other candidates in mind for the top job at the social games company, a source at Zynga said Monday.
Zynga chief executive Mark Pincus is giving up his CEO post for Don Mattrick, who most recently led Microsoft's Xbox division. Look for a redefinition of "social" gaming.
As a cost-cutting move, Zynga will 18 percent of its workforce, as it puts a greater emphasis on mobile gaming.
Zynga's network of users has historically been tightly linked to Facebook's social graph, but now the gaming giant is looking to branch out by offering online games accessible without a Facebook login.
It seems the company hopes to revive its sagging fortunes with real-stakes poker.
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