Ethereum's Merkle Patricia Trie</a>) are fundamental components of most blockchains. And making these data structures performant is among todayâ€™s primary challenges to scaling blockchains further.</p>
        <p>One particularly interesting variant of the Merkle tree, <a href="https://docs.rs/commonware-storage/latest/commonware_storage/mmr/index.html">now available in the Commonware Library</a>, is the <a href="https://github.com/opentimestamps/opentimestamps-server/blob/master/doc/merkle-mountain-r