requirements-specification.md

+# Requirement Specification
+* fixed overall budget: the sum of all balances does not change over time
+  * has a maximum value
+* fixed number of nodes
+  * no join / leave
+  * every node knows all neighbors, relationship to peers? The network can not be dissected.
+* money can be sent between nodes (transaction)
+  * balance >= 0
+  * money request (negative amount)  possible?
+  * transactions have a TTL
+* there is no persistence
+ 
+
+ 
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