I think there is no such thing as HN for a lot of different domains. Apart from the technical aspect, also politically and philosophically the discussions here

I think there is no such thing as HN for a lot of different domains. Apart from the technical aspect, also politically and philosophically the discussions here are on a very high level I have not been exposed to anywhere else on the internet. However, HN seems to be in large anti-crypto, so I think you will not be exposed here to anything "bleeding edge", more like major news. Also I have not seen any Show HN or similar of people developing applications for the crypto space. So I have been asking myself the same question as you. There are a lot of websites with great resources for crypto (similar to the regular finance world, the amount of free websites with good information is substantial). There are also some really good substack newsletters (however, some of the writers are invested, so I take their information with a grain of salt). But there is no forum or similar venue that I know of where actual users or contributors discuss or share experiences (except for some discord servers maybe).