1 When to use NXT, Nxt and nxt
NXT is the currency code. e.g. "We have enough NXT/BTC exchanges, but we need a NXT/fiat gateway."
Nxt is the network. e.g. "Nxt is not merely a way to send digital currency, it's the software framework around which a large variety of interconnected services, based around the digital currency, can be built."
nxt is a unit of the currency. e.g. "I'm a
poor shibe small stakeholder with only 4399 nxt, if someone could give me 601 nxt, I'd have a nice round number."
2 Omit needless words
Being succinct is being clear. And an easy way to be succinct is to omit needless words. . For instance,
"...average Bitcoin transaction time has significantly increased to the 8-to-13 minute range..."
can be simplified to
"...average Bitcoin transaction time has significantly increased to 8 to 13 minutes..."