Actually has been done 15 times and still no black hole has opened...
Btw, Nxt has some kind of the event horizon. It's determined by the rate of new transactions. At some rate a person who is trying to catch recent blocks will be downloading them at the same speed as new blocks r being forged.
Ok... I am officially a NXTaholic... and about to ask Come-from-Beyond if he has a sister!
I mean... who wouldn't want this guy for his brother-in-law?!?!?
Her sister is probably 40 year old but she might suit you fine
