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Where can I see the number of accrued tokens, I am one of the first put a node and my wallet address starts with 5, all right?
You are able to search addresses on our subscan page here: https://subspace.subscan.io/
You can paste the address that starts with 5, but it will be converted to the equivalent address that starts with st.
To provide some additional insight, the address that starts with 5 is the base substrate address. this is an address that can then be derived for various chains that are based on substrate, such as Subspace, Polkadot, Kusama, etc. Most chains have good interoperability supporting these formats, but its also a good idea to understand the relation between the two.