Are there any reputable sites that are worth checking out, or are they all just scams?
There are many reputable sites you can choose from depending on what you're looking for.
• If you're active on telegram and want to gamble there, check out playgram,
• If you're just looking for a crypto casino to use, check out any of stake, shuffle, rollbit, Livecasino. Do your research on these and the many others available here on he forum and choose one that suits you.
• If you're looking for sport gambling website check out fortunejack, it's been a while I used the so do your research.
And what about the legal side of things - is it safe to gamble online in the first place?
They're not much different. Most in-house casinos also have online gambling options. There are licences and regulations to keep things in check.