bitcoin - An Overview
Alternatives are basically a leveraged position,??Leon said. ?�When there are substantial concentrated positions at a specific rate and expiration, and those appear into expiration, then that will lead to liquidation spikes.?????�머지 ?�금?��? ?�래??종이 지갑에 ?�아 ?��? ?�게 ?�니?????�런 ?�해 ?�문???�