跨

kuà to step across; to stride over; to straddle; to span

链

liàn chain; cable (unit of length: 100 fathoms, about 185 m); chain (unit of length: 66 feet, about 20 m); to chain; to enchain

兑换

duì huàn to convert; to exchange

虚拟

xū nǐ to imagine; to make up; fictitious; theoretical; hypothetical; (computing) to emulate; virtual

币

bì money; coins; currency; silk

服务

fú wù to serve; service; CL:項|项[xiang4]

可靠性

kě kào xìng reliability

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