Further to the above, better results were found [24] compared to SADF when using a backward expanding window, which they introduced as backward SADF (BSADF). This performs the same supremum ADF test, but this time with a fixed ending point, r2, and backwards expanding window:
Another property of Safemoon which has attracted wide criticism is the ownership pattern of the current supply of the token. A large proportion of Safemoon’s total liquidity is owned by members of the founding team. Although these funds are in a so-called lock-up, such concentration of ownership is often a cause for serious concern in the crypto space. In part, this concern is because of the influence that major holders—called whales—have over price movements when they sell.

"Brian's work for Binance.US has been invaluable and we hope he will continue to be an integral part of the crypto industry’s growth, advocating for regulations that move our industry forward," Zhao Tweeted on Friday.
In 2016, this became apparent with the DAO hack. One way to fix the problem was to implement what’s known as a “hard fork,” which would essentially update the Ethereum-based software to fix the technical gaffe that caused the hack to begin with. But DAO users had to agree to this change, and there were dissenters. Though the hard fork was approved, it created two active blockchains with two different sets of rules. Ultimately, this hack–coupled with the inability to deal with it–caused the DAO to end in 2016.