No way track how long a the user has held a balance

[aeyakovenko]

Problem

Token's are a great way to implement a voting system. For the system to work we need a "hold" time component as well.

Solution

Add a instruction that sets the current slot

• InitializeHODLSlot

Any withdrawals reset the HODLSlot to None.

A vote program can then generate a ballot from a checkpoint of the tokens balance, and the HODLSlot. To Vote the same token must be presented with the ballot with its HODLSlot set to the expected value.

tag: @jackcmay @CriesofCarrots

[jackcmay]

@aeyakovenko Any Transfer will clear the source account's hold slot?

[aeyakovenko]

Deposits shouldn't clear it. When the ballot is created it can checkpoint the balance. We just need to guarantee that it won't be reduced without clearing the slot.

[aeyakovenko]

Tag @joncinque might be useful for next gen tokens

[joncinque]

@aeyakovenko I'll add this to the list of possible new token programs. I don't think we should add this to the SPL token standard though