This was not only due to massive hype, but the fact the offering has a real use case behind it and a large potential user base, hence the instant sell out and it also demonstrates that there still is a very healthy demand for decent quality fundraisers such as this in the cryptocurrency space which is reassuring considering the recent downturn in this area due to an avalanche of poor quality offerings in the last year or so
I think that every active player in the cryptocurrency market bought this coin. The popularity of this coin was very high. Even now, many continue to invest in the Bittorrent token.