It seems Poloniex increased the confirmation times for Gridcoin to 999 (that is about 1 day).
- they hold currently >61% of the trading volume for GRC (e.g. BITTREX has >36%).
Past confirmation times on Poloniex:
- in May it was still only 120 confirmations,
- on Sep. 13 it was 200 confirmations
Erkan (find me on IRC and twitter)
