$XE is the internal coin of the Edge Network. It is used for attribution of value to nodes, for staking and for network governance. It provides for fast, free transactions.
$EDGE is a utility token on the Ethereum network. It is available for trading and exchange.
You can convert $XE to $EDGE and vice versa using the Edge Network Bridge.
$XE and $EDGE are of equal value. The 1:1 relationship is because the coin and the token perform different functions in the network, with $XE as a layer 2 solution designed to facilitate fast and free transactions wihtin the network. $XE is bridged out to Ethereum, a process that converts the $XE to $EDGE.
The X is from the ISO standard for currencies that are not specific to a certain country. It has been used because Edge sees it's coin as the standard unit of account for edge computing. X-Edge, hence XE.
You should follow the swap process within Edge Console. You have until Thursday, 27th May 2021 to complete the swap. The swap closes after this period and you will not be able to swap further $EDGE.
Distribution of claimed XE is run to a schedule once every 24 hours. If you make a valid claim, your distirbution will be recieved within the next 24 hours.