Not like proof of labor, which uses the miners by themselves to outline the next block in a series, or proof of stake, which takes advantage of staked tokens to outline the next block, evidence of background works by using timestamps in its definition of blocks for your Solana chain. https://cnetnews.co.uk/unlocking-potential-the-solana-presale-paving-the-way-for-the-next-big-token-syncus-sol/