Private transaction and Private Messaging require that Sphere run in Full Mode. A complete copy of the blockchain must have been downloaded by Sphere.
Click the Add Address button in the Wallet Overview.
Check the Private box.
Give the new address a Nickname.
Click Confirm button.
See Figure 1
Notice the Shield icon and the longer address. These indicate a Private address.
See Figure 2
When sending private to private transaction ( z to z) you have the option to include a Private Memo. This is part of the transaction and will be visible by the recipient and in your Transaction History.
See Figure 3
Private transactions take longer than transparent transactions due to the computation of the zk-SNARK encryption.
Figure 1
Figure 2
Figure 3
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