I recently tried to send bitcoin to my Bitcore wallet
bitcore.cc is a different currency (BTX) to Bitcoin (BTC). If you send BTC to a BTX wallet you may lose your money.
bitcore.io is "A powerful, modular node for bitcoin and blockchain-based apps." - I believe it is primarily aimed at developers - It isn't simply a Bitcoin wallet. It does ...
Does listsinceblock show coinbase transactions on a watch-only address?
Yes. You can use include_watchonly argument in listsinceblock
include_watchonly: boolean, optional, default=true for watch-only wallets, otherwise false. Includes transactions to watch-only addresses (see importaddress)
The advantages would be receiving RSK sidechain fees on the RSK-mined transactions.
The disadvantages would be the logistic overhead of running an RSK node, the latency introduced by querying it for block mining, and the opportunity cost of space the sidechain commitment that now can't be used for transactions.
(note that I'm not an expert on RSK at all, and ...
One part of coinbase transaction is p2pkh ScriptPubKey (according to the book i read).
That is (or at least, was) commonly the case, but there is no such requirement.
Suppose i have all the data needed to build coinbase transaction (version,output,ect) except the p2pkh ScriptPubKey , and i have my address that i generate using bitcoin rpc getnewaddress , ...