Regardless of being described as probably “the deepest reorg that has ever taken place in a high 100 cryptocurrency,” analysts are but to substantiate that the incident comprised a coordinated assault.
Coinmetrics COO Antoine Le Calvez was one of many first to note the reorg, sharing a screenshot on Twitter exhibiting that at the very least 560,000 blocks had disappeared on February 15.
— Antoine Le Calvez (@khannib) February 15, 2021
Le Calvez steered the reorg might have been attributable to a double-spend, during which various XVG tokens are used concurrently for 2 separate transactions. Nonetheless, because of the magnitude of the incident, Calvez admitted it’s going to take a while for builders to comb via the info to ascertain the exactsource of the reorg.
Because of this roll-back, any consumer who acquired or bought XVG tokens since July 2020 might have misplaced their complete stability, with Deribit Insights’ researcher “Hasu” tweeting that “1000’s of balances have merely evaporated.” One Verge investor tweeted that their pockets stability is now empty after the assault.
Regardless of the dimensions of the potential assault, Hasu believes it is going to be “fairly simple to counter,” advancing that “nodes will reject the attacker’s chain and restore the earlier one.” Hasu acknowledged the incident highlights the vulnerability of blockchains supported by GPU mining.
This isn’t the primary time a reorg has been steered to fend off would-be attackers, with Hasu referencing again to 2019 when Vertcoin succumbed to a 51% assault. The identical 12 months, after main trade Binance was hacked for greater than $40 million, founder and CEO Changpeng Zhao floated the thought of conducting a Bitcoin reorg to recuperate the funds, nevertheless, the thought was shortly determined towards.
An unconfirmed screenshot shared by Twitter consumer @etn_electroneum confirmed XVG advisor AlexanDre stating the supply is linked to some nodes who wished to create a fork. He additionally added that there was not a 51% assault.