Wallet.Viewing_keySourceIndexes to derive addresses. Starting from default_index, the following addresses can be derived with index_succ *
To be given to the payer. Does not appear on the blockchain. Different addresses can be derived from one key which is necessary to prevent a loss of anonymity because of several payers colluding. e.g. two payers can conclude that they are paying the same person if they send money to the same address. *
Returns a new address and a new index to be used for the next address generation. *
A dummy address can be generated to create dummy inputs or outputs of value 0. Note that tokens sent to dummy addresses are lost! *
Incoming viewing keys can be used to see transactions received to any address generated from this key. This feature is not enforced by the protocol, a payer could spend tokens on-chain and transmit to the recipient invalid information. The recipient should always check the received transactions with its ivk. *