The XBE chain of futures has a very similar contract structure to XBT Series.
XBE Contract Value = EUR Futures Price * 0.00001 XBT (1000 Satoshi)
This price is recorded in the .XBTEUR Index.
Settlement is done via 30-minute TWAP. This settlement price is recorded in the .XBTEUR30M Index.
For more information about quanto futures, please view the XBT Series Guide.