Discussion or questions related to exchanges
General discussion about the Bitcoin ecosystem that doesn't fit better elsewhere. News, the Bitcoin community, innovations, the general environment, etc. Discussion of specific Bitcoin-related services usually belongs in other sections.
Questions and discussion related to any other coin than bitcoin
Questions regarding issues with Bitcoin Core, nodes, the Bitcoin network, transactions, and addresses.
Technical discussion about cryptocurrency and network in general. No third-party sites/clients, bug reports that do not require much discussion (use github), or support requests.
Organization of cryptocurrency and blockchain related projects, bounty campaigns, advertising etc.