What are BTC Futures and BTC Futures Contracts?

1
BTC Futures
https//testnet.basefex.com/
2
XRP Futures 
https//www.basefex.com/
3
Litecoin futures 
https//testnet.basefex.com/
4
BTC Futures Contracts
https//www.basefex.com/
5
ETH Futures
https//www.basefex.com/docs/eth-futures
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Perpetual Swap
https//www.basefex.com/docs/xrp-perpetual-swap-co
ntracts
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XRP Perpetual Contract
https//www.basefex.com/trade/XRPXBT
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Perpetual Swap Contracts
https//www.basefex.com/docs/xrp-perpetual-swap-co
ntracts
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Margin Trading
https//www.basefex.com/docs/margin-trading
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BTC Perpetual Contract
https//www.basefex.com/docs/perpetual-contract-ov
erview
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