At least Bool represents coding vocabulary
I really hope you don't name it Rune.
Rune means nothing to most people. It sounds like Ruin. It is not catchy.
I am not an owner of BBR, so please ask your own investors. Just my 2 cents.
Consider Digiberry instead or don't change the name.
BBR is a great currency abbreviation. Easy to remember. "BB" then "R".
There's a much bigger problem:
I had assumed that someone had already researched this, but maybe not.
It seems that when you google Rune you get a wikipedia page about runes followed by a ton of Runescape stuff. Fair enough, it would be be difficult to SEO your way above that lot, but it's not a serp killer - we'll just use "rune coin" instead.
Uh oh.
There is already a runecoin (http://runescape.wikia.com/wiki/Runecoins) and it's more Runescape stuff - how tricky will it be to con the google algo to top that? Runescape has over half a million players.
Not only does this cause a problem (a big one) for SEO, it may upset the makers of runescape (legal stuff?) and it rather destroys a main plank of your arguments that "not many people know about runescape" - well, they soon will because you will be introducing them to each other.
Surely just the fact that rune and runecoin searches throw up a ton of runescape stuff will connect the two in people's minds?
Oh well, nevermind, I expect Runescape will be glad of the extra hits.
Edit:
On closer inspection I see that it's not all runescape stuff, because there seem to be loads of other fantasy role playing games with rune in the title.