Not only is it possible, it might eventually be likely. The supply schedule assumes that transaction fees will be sufficient for security, but researchers have

Not only is it possible, it might eventually be likely. The supply schedule assumes that transaction fees will be sufficient for security, but researchers have cast doubt on that assumption: https://freedom-to-tinker.com/2016/10/21/bitcoin-is-unstable-without-the-block-reward/ https://freedom-to-tinker.com/2016/10/21/bitcoin-is-unstable... If some future generation of bitcoiners is faced with either increasing the reward or putting up with frequent large rollbacks, we can't really predict which they'll choose.