'Do' and 'does' are the two forms in the current indefinite tense on the verb 'to accomplish.' Which one particular you'll use will largely depend upon the sentence's subject. Their usage is sort of identical, aside from just one instance where You may use 'do' and not 'does.' NFTs https://financefeeds.com/the-biggest-threat-to-bitcoin-is-cardano-says-cardano-founder-experts-believe-it-might-be-this-copyright-instead/