在哪里购买 Circuits of Value (COVAL)
这些是Exchanges，您今天可以在其中购买 Circuits of Value (COVAL):
| $3,830,000,000 | 580,000 | 22 | 2,197 | 3,683 | 2013 | |
| $2,680,000,000 | 9,200 | 3 | 250 | 400 | 2014 | |
| $1,090,000,000 | 200,000 | 635 | 978 | 2021 | ||
| $569,000,000 | 81,000 | 1,051 | 1,354 | 2017 | ||
| $858,000 | 1,300 | 4 | 74 | 174 | 2017 |
