SYSTEM OVERVIEW
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EXCHANGE RATE
? COIN/XUT
? COIN/XUT

PERMISSION
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MARKETPLACE STATS
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PERSONAL STATS
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? XUT/YEAR
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BUY TOKENS
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? COIN/XUT
? XUT
? XUT
? COIN
?

SELL TOKENS
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? COIN/XUT
? COIN
? XUT
? COIN
?

REGISTER USER
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? XUT/YEAR
? XUT
?

REQUEST TO BUY
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? COIN
? COIN/XUT
? XUT
? COIN
?

REVIEW BUYING REQUEST
?
? COIN/XUT
? COIN
?

OFFER TO SELL
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?
? XUT
? COIN/XUT
? XUT
? COIN
?

REVIEW SELLING OFFER
?
? COIN/XUT
? XUT
?

USER INFORMATION
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? XUT
? COIN
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?
? XUT/YEAR

BUY FROM USER
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? COIN/XUT
? XUT
?
? XUT
? COIN
?

SELL TO USER
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?
? COIN/XUT
? COIN
?
? XUT
? COIN
?

(C)