A distributed cloud storage blockchain known as Sai has announced that it has completed its planned hard fork that required changing its consensus rules in a bid to prevent certain hardware from mining on its network. On Thursday, David Vorick the co-founder of Nebulous said:
“Everything is working normally now”. An errors occurred during the fork. It was expected to happen at block 179,000 on the Sia blockchain but the miners were unable to move pass 178,for hours. This was due to an error found in the code according to Vorick.
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Sia decided to change its consensus rules to disable certain mining hardware produced by Bitmain especially Innosilicon. According to Vorick, the hardfork prevented this equipment from being used. Now, only an equipment manufactured by a subsidiary of Nebulous, Obelisk will be able to crunch through the new algorithm. The Obelisk equipment was debuted in 2017. The chip manufacturer is a rival to the dominant player for ASICs, Bitmain. The company announced that its first product will be made specifically for the Sia blockchain which Bitmain products are unable to mine. However, it was soon discovered that miners were secretly using Bitmain to mine on Sia.
Bitmain publicly announced that it would be releasing a product for Sia mining in January. This was followed by another manufacturer known as Innosilicon. Innosilicon produced an equipment that was even faster than Bitmain. In August, the first Obelisk ASICs were shipped out. The last shipment was scheduled for mid October but it hasn’t been authorized yet.
Because other competing brands started developing algorithm to mine on Sia, Nebulous decided to disable other algorithms leaving only miners with Obelisk to mine on the network. Vorick continued:
“We decided to create a secrete circuit that we can activate during a malicious attack. However, even if the direct consensus system wasn’t attacked, many members of our community believed that secretly developing ASIC was an attack on its own. They also believed it was too risky for the farm to own 45% of the harsh rate. This is what justified the change in the proof work algorithm”.