3/1 NEO : ONT airdrop
*ETH : change to POS
3/5 ETC : Callisto airdrop
3/11 XMR : HardFork
3/15 XLM : Stellar Build Challenge
3/21 TRX : Testnet Launch
3/29 BTC : CME 선물 3 월물 계약 만기
3/31 TRX : Coin Burn
