nice plugin! work good on my 1.20.2 server
simply does what you need
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I'm running this plugin on a 1.12 server and it does what it says on the tin, for an initial release this is great! It's easy to configure, and you can get started with it straight away!

For those running hybrid servers like magma, mohist, or arclight, this also happens to work with non-vanilla entities!

A downside, which I suggested a potential fix for over on the discussion page by specifying player kills and drop rate, is that mobs seem to drop coins 100% of the time no matter how they die. This could be an issue for mob drop farms where you're killing tons of them at a time.

once again, thanks for your hard work on this plugin, excited to see future releases of it and any other work of yours!