Sort:  

Are you referring to decline_voting_rights?, or power down time, or both.

Lets investigate what the exchanges needs to do.

  1. Maintain minimal gas/rc to perform basic operations
  2. What are the basic operations ? - deposit/withdraw nothing else is needed
  3. Unlike normal accounts an LTM like feature from Bitshares can be used for exchanges to act as basic KYC

Coin Marketplace

STEEM 0.19
TRX 0.18
JST 0.033
BTC 87161.65
ETH 3057.00
USDT 1.00
SBD 2.75