Approved collateral currencies

List of approved mainnet collateral currencies

Collateral Currency	Final Fee	Link to UMIP
WETH	1	UMIP-10
renBTC	0.035	UMIP-11
PERL	8600	UMIP-12
DAI	400	UMIP-8
USDC; USDT	400	UMIP-18
rDAI	400	UMIP-17