Imagine being a German EV driver, not having to register with several of the 400+ EV charging operators just to get energy on the road, but paying with a “Watts” token accepted by any of them.

What would that mean to users and operators?
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2/12 Based on IOTA “coloured coins”, “Watts” could be coupled to fiat currency or energy units (e.g. kW)

If "minted" by a consortium of EV charging operators, drivers would only have to register with ONE of them to get "Watts" but be able to use them to pay on ALL charging poles

3/12 "Watts" could additionally be sold in "gas" stations or supermarkets like todays' vouchers (cellphone credits, Google Play Store, PSN, Steam, etc).

Sold as vouchers for cash, buying "Watts" would even be (nearly) anonymous.

4/12 If “1 Watts” would be equivalent to 1 cent, minting tokens worth 5 billion € would cost the operators just ~1,500 €.

That’s "dirt cheap" in terms of infrastructure cost, especially when considering that “Watts” could be transferred infinitely w/o ever incurring any fees

5/12 A major headache when it comes to digital (cc) payments usually is "control".

With IOTA-based "coloured tokens", the operator consortium would stay in full control of their "Watts" token. In case they need more than 5 bn worth of them, they could create "Watts" v2 any time