{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What mechanisms do blockchain platforms like Ethereum and Bitcoin implement to ensure the finality of transactions?","a":"Blockchains such as Ethereum and Bitcoin ensure the finalization of transactions through  consensus mechanisms. Specifically, Bitcoin uses a consensus mechanism called Proof of Work (PoW), while Ethereum adopts a consensus mechanism called Proof of Stake (PoS). These consensus mechanisms enable participants in the blockchain network (called nodes) to reach agreement on the validity and sequence of transactions.↵↵In the Proof of Work consensus mechanism, miners compete to generate new blocks by solving complex mathematical problems, which are then added to the blockchain. The difficulty of the problems is aimed at maintaining a block generation rate of one every 10 minutes."}]}],"pr":"dd0827b8c69915513e0e3dc892e9080a16a2959c32ef73d94e3eab12ae6d5d78"}