{"id":5173,"date":"2020-04-24T11:52:25","date_gmt":"2020-04-24T15:52:25","guid":{"rendered":"https:\/\/cointelegraph.com\/magazine\/?p=5173"},"modified":"2020-04-24T12:21:08","modified_gmt":"2020-04-24T16:21:08","slug":"journeys-in-blockchain-leemon-baird-hedera-hashgraph","status":"publish","type":"post","link":"https:\/\/cointelegraph.com\/magazine\/2020\/04\/24\/journeys-in-blockchain-leemon-baird-hedera-hashgraph","title":{"rendered":"Journeys in Blockchain: Leemon Baird of Hedera Hashgraph"},"content":{"rendered":"

Leemon Baird\u2019s love for mathematics is baked into his DNA. His mother and father were both math professors, he tells me, \u201cSo, I probably was warped at birth.\u201d<\/span><\/p>\n

The co-founder and CTO of Hedera Hashgraph and Swirlds says he has always enjoyed math, games, puzzles, and problem-solving. Even as most kids were finger-painting and coloring outside the lines, he was looking for algorithms to succeed in games and puzzles. \u201cI remember doing that in first grade.\u201d\u00a0<\/span><\/p>\n

One game, he says, starts with a number. The players work their way down to the value of one by choosing to subtract by three, two, or one. Whoever succeeds in arriving at a difference of one, wins. So say you start at seven. Subtract three and you’d have four\u2026 then subtracting three again would win the game.<\/span><\/p>\n

Baird figured out the winning strategy. \u201cI realized, ahhh, the pattern started at the bottom and worked its way up. It\u2019s called dynamic programming, but I didn\u2019t know that in first grade.\u201d<\/span><\/p>\n

Pattern recognition: seeing repetition, extrapolating from data, and dynamic programming \u2014 these were playful activities in his mind. \u201cWhich is, oddly, what I got my PhD in.\u201d<\/span><\/p>\n

Baird attended a public school \u2014 but with intellectual parents specializing in advanced mathematics and physics, he says, \u201cI learned more at home\u201d. Solving puzzles, talking about books, learning about history and economics, and reading the Bible were all part of his daily routine \u2014 and he loved it.<\/span><\/p>\n

He remembers sitting in a fourth grade class and contemplating how he would teach what he was learning to someone from the Middle Ages, with no frame of reference to the modern world. He loved analyzing the cyclical process; moving from learning and understanding to teaching and creating.<\/span><\/p>\n

Computers are like magic<\/h4>\n

Eventually Baird got his first computer, opening up a world of possibilities for his mathematical mind to delve into the realm of programming. \u201cGetting a computer in junior high really changed my life. I really got into this stuff.\u201d<\/span><\/p>\n

In high school, Baird would create his own algorithms, \u201cjust for fun.\u201d Math, he explains, is the perfect combination of art and creation. To him, it\u2019s all about the beauty and complexity of the universe. \u201cI do research for fun. I have math problems that I have worked on for years\u2026 Sometimes I solve them, and then I build things with them, because it\u2019s fun to build things.\u201d<\/span><\/p>\n

\u201cThere\u2019s a real beauty in creating an elegant proof of math theorem or creating a painting or three-dimensional things. There\u2019s a real joy in understanding how things work at a deep level and then being able to create, based on that.\u201d<\/span><\/p>\n

Going to college, Baird discovered that computer science was deeper and more interesting than he had ever imagined. \u201cThere were really cool algorithms\u201d he had never thought of, he says, with ways to mathematically prove they work. Baird explored the power of such algorithms and proofs in his research, examining artificial intelligence, neural networks, and machine learning. \u201cThat really caught my attention,\u201d he says, and led him to major in the subject.<\/span><\/p>\n

Computers, he believes, are like magic. <\/span><\/p>\n

\u201cJust the act of imagining something in enough detail means it now exists. That\u2019s what a program is. It\u2019s just describing an algorithm in extreme detail. By the time you finish describing it, now the program is done and now it can run on its own and do things on its own. It can even learn on its own. That\u2019s just amazing.\u201d<\/span><\/p><\/blockquote>\n

Beyond geek<\/h4>\n

After high school, Baird attended the Air Force Academy, but never really did \u201cAir Force-y\u201d things, he says. He continued his studies in computer sciences, but also was able to enjoy a broader education by attending the Academy.\u00a0<\/span><\/p>\n

One of his favorite topics of study outside mathematics and computers was survival training. He loved it enough to become a survival training instructor, teaching others how to tie knots, build shelters and forage for plants to eat, but also participating in activities like flying gliders and \u201call sorts of crazy things.\u201d\u00a0<\/span><\/p>\n

\u201cIt was good that I broadened somewhat there. The rest of my life, I\u2019m just a geek.\u201d<\/span><\/p>\n

Baird loved the Air Force Academy, working there as a professor and scientist for 24 years before retiring. During his time at the Academy, he started a number of companies, which \u201cyou\u2019re allowed to do if your boss gives you permission.\u201d<\/span><\/p>\n

During much of his time at the academy, Baird worked with Mance Harmon, the current CEO of Hedera and Swirlds. The two researched and built businesses together, publishing papers and starting a number of companies. Much of their research focused on reinforcement learning, neural networks and computer learning.\u00a0<\/span><\/p>\n

The pair\u2019s first company used AI to recognize handwriting, allowing users to log in to PDAs like the Palm Pilot with signature authentication. The technology could even be used, Baird explains, to detect if a user was intoxicated, thus preventing them from driving under the influence by requiring signature authentication before starting a car. The company was eventually acquired by a Fortune 500 company.<\/span><\/p>\n

The two collaborated on other ideas like WiFi-enabled electronic door lock security, which was, in Baird\u2019s words, a crazy idea at the time in the antiquated lock industry. It was also snapped up in a private equity deal.<\/span><\/p>\n

The math problem<\/h4>\n

\u201cThen I had a math problem, one of those I just work on for fun.\u201d Baird contemplated the idea of creating a \u201cdistributed object store,\u201d where users could collaborate over the internet and \u201ccarve out a piece of cyberspace.\u201d It would operate without servers in a peer-to-peer environment, without any central agent. Rules would be enforced upon all users, so no one person would have control over the network.<\/span><\/p>\n

The trickiest part was that Baird wanted this to operate quickly with the capacity to handle hundreds of thousands of interactions per second. The problem he identified was not only whether this could be secure, a network which nobody could shut down or corrupt, but whether it could also be fast.<\/span><\/p>\n

The idea was to create shared worlds that were interconnected. Information sources like Wikipedia, along with merchants and money managers could interoperate.<\/span><\/p>\n

Baird was fascinated by the idea and contemplated it over a few years. \u201cI\u2019ll take a problem off the shelf, play with it a while, and put it back. Some math problems just latch on to me and I just can\u2019t get away from them.\u201d<\/span><\/p>\n

Baird was convinced it was an impossible problem, but it continued to grip his interest. This went on for years, he says, until he experienced a \u2018Eureka!\u2019 moment in 2015.<\/span><\/p>\n

The solution finally dawned on Baird. \u201cWhen we talk to each other, if I just told you the last message… and told you the last <\/span>received<\/span><\/i> message… just those two things… then when you collect all the messages from everybody, you\u2019d see a complete history of how we talk to each other.\u201d\u00a0<\/span><\/p>\n

Using a set of calculations that can be done in your head without any communication, he says, one could \u201ctake advantage of super secure algorithms and suddenly, it\u2019s as fast as the internet. That\u2019s Hashgraph.\u201d This is when he realized, \u201cWow, I could actually create shared worlds with this!\u201d<\/span><\/p>\n

\u201cI had never started off thinking of making another Bitcoin or Ethereum, but we realized this is the best way to do it.\u201d Baird explains that one could achieve incredible speed with no bottleneck, there would be no-one to be shut down with attacks, no proof of work. Instead, he says, just use mathematical proofs.<\/span><\/p>\n

Swirlds: shared worlds<\/h4>\n

Harmon and Baird began Swirlds, distributing private ledgers to clients and building on the technology. In 2016, they undertook the inception of a public ledger, using Proof of Stake consensus with a governing council to bootstrap the network.\u00a0<\/span><\/p>\n

But they faced a chicken-and-egg problem, Baird says: it\u2019s not trustworthy until it\u2019s built, but it can\u2019t be built unless it\u2019s trusted. To get around this problem, the network begins with a trusted governing council that is dispersed around the planet. Participants keep tabs on each other and bootstrap the system to begin. Eventually, the network evolves to become distributed to anonymous and decentralized nodes. Over the past few years, the Hedera network has launched with tokens for Proof of Stake consensus and is now open to the world.<\/span><\/p>\n

Galileo once said \u201cMathematics is the language in which God has written the universe.\u201d<\/span><\/p><\/blockquote>\n

\u201cNot only do I love that quote; my mom, for years, was a college professor and her homepage had that quote pinned on the top of the page.\u201d<\/span><\/p>\n

The universe, Baird says, appears to be a weird combination of the simple and the complicated. If it were too complicated, we would never even begin to learn. If it was really simple, we wouldn\u2019t need to explore formal detailed descriptions. It\u2019s the combination: the sun rises and falls, but planetary orbit around it is elliptical. (Incidentally, a concept that Galileo himself ignored.)<\/span><\/p>\n

One can move from the simplest notions to quadratic relationships, concepts of relativity, and even further down the line, to deeply weird ideas like quantum mechanics. \u201cYou can get there step by step. I love it.\u201d<\/span><\/p>\n

Baird relates this to his spirituality. He suggests that we live in a universe that was designed so that it is graspable, but complicated enough that it\u2019s fun to figure it out. We\u2019re built, he says, so we enjoy seeing beauty in the universe, which can be understood through math. \u201cThe Bible is just really deep. I\u2019ve read it many times throughout my life. I enjoy teaching that stuff.\u201d<\/span><\/p>\n

It\u2019s all about the people<\/h4>\n

Baird first gives full credit to his business partner, Harmon. \u201cThere\u2019s no way we\u2019d have a Hedera or a Swirlds without Mance.\u201d Harmon turned down a great position to work on Swirlds, Baird says. Convinced of Harmon\u2019s passion for the project, the CEO whose offer had just been rejected turned around and invested in Swirlds.<\/span><\/p>\n

No company is successful just because they have a good idea, Baird says. What makes a company successful is the people it has working for it. A mediocre idea with really good people has a chance at finding success, but if you have the greatest idea in the universe but no good people, someone else will turn your idea into reality. \u201cIt\u2019s all about the people. I am just really grateful for the people we have.\u201d<\/span><\/p>\n

Now, Baird spends much of his day walking, talking, and crunching algorithms mentally. \u201cAll day long I am on the phone. Occasionally I get to program and work on algorithms… but I do an awful lot of meetings\u2026 and I walk while I\u2019m in meetings.\u201d Even when he has to work at a computer, Baird walks on a treadmill, five to ten miles a day.<\/span><\/p>\n

\u201cThe biggest threat is to spend your time on things that are useful, but not the <\/span>most<\/span><\/i> useful. The real trick is figuring out, what is the most useful thing for the next five minutes, the next five hours?\u201d<\/span><\/p><\/blockquote>\n

Baird is constantly creating new little algorithms for the company, analyzing them and proving their functionality. He says he learned to work on math problems mentally at a horrible job where he was forced to sit in meetings that were a complete waste of time. \u201cI had to sit in a meeting for over an hour where absolutely no useful information was presented\u2026 I had to be there every morning.\u201d So, he started playing with math in his head, just visualizing the equations and pictures. During these otherwise-boring meetings, he mentally proved \u201ca whole bunch of theorems.\u201d<\/span><\/p>\n

Hedera Hashgraph for centuries<\/h4>\n

Now, much of Baird\u2019s time is focused on rolling out the Hedera Consensus Service (HCS), adding features, optimizations, and a \u201clong list of odds and ends\u201d to the platform on a regular basis. The commitment, he says, is to publicly release all source code to developers where it will be open for review.\u00a0<\/span><\/p>\n

\u201cThere\u2019s a lot of tuning we can do to make this thing faster. Right now, we\u2019ve slowed it down to a mere 10,000 TPS but that\u2019s so far beyond what people are using, it\u2019s not urgent. But we have so many ways to tune this, I just can\u2019t wait to try all the different algorithm permutations.\u201d<\/span><\/p>\n

Baird explains they are building Hedera from the ground up to serve the planet for centuries. \u201cWe want this to last.\u201d He expects to be deeply involved in Hedera and Swirlds for the foreseeable future. \u201cI want to keep going. There\u2019s just so much to do with this.\u201d<\/span><\/p>\n

Baird offers his advice for success: find a way to be passionate. Not necessarily, he says, to do what you\u2019re passionate about, but instead to find a way to be passionate about what you are already doing. Find a way to get excited about what you\u2019re doing, he says, and you will be successful.<\/span><\/p>\n

\u201cIt is a real blessing that I can do for a living something that brings such joy to me. Teaching and research are what bring me joy.\u201d<\/span><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u201cThere\u2019s a lot of tuning we can do to make this thing faster. Right now, we\u2019ve slowed it down to a mere 10,000 TPS but that\u2019s so far beyond what people are using, it\u2019s not urgent.”<\/p>\n","protected":false},"author":16,"featured_media":5177,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"mc4wp_mailchimp_campaign":[],"_links_to":"","_links_to_target":""},"categories":[154,156],"tags":[],"yst_prominent_words":[1244,1229,1228,1241,1230,1240,1245,1237,1248,1235,1238,1233,1243,1236,1232,1242,1234,1246,1231,210],"_links":{"self":[{"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/posts\/5173"}],"collection":[{"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/comments?post=5173"}],"version-history":[{"count":10,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/posts\/5173\/revisions"}],"predecessor-version":[{"id":5185,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/posts\/5173\/revisions\/5185"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/media\/5177"}],"wp:attachment":[{"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/media?parent=5173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/categories?post=5173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/tags?post=5173"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/cointelegraph.com\/magazine\/wp-json\/wp\/v2\/yst_prominent_words?post=5173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}