FWIW, the paper describes it as a vote currency that can only be used for the vote, as opposed to cash you could spend on anything. The voice credits have to be distributed to voters.
'individuals pay for as many votes as they wish using a number of "voice credits" quadratic in the votes they buy.'
If you are referring to the same QV paper I read, it spends most of the paper arguing for money but then at the end suggest a virtual currency at the end for those who can't accept their argument for allowing buying votes with money.
FWIW, the paper describes it as a vote currency that can only be used for the vote, as opposed to cash you could spend on anything. The voice credits have to be distributed to voters.
'individuals pay for as many votes as they wish using a number of "voice credits" quadratic in the votes they buy.'