Houston blockchain startup closes oversubscribed seed round of funding with local investors

Topl the world

Houston-based Topl has raised over $700,000 in its seed round. Getty Images

Kim Raath is pretty proud of her company right about now. Not only is she proud that her startup, Topl, a blockchain network with applications across industries, closed a 20 percent oversubscribed $700,000 seed round, but because she did it in a way that was directly in line with her company's values.

"Every investor that is invested now has focused on both the purpose and the profit, and I'm big on that," Raath, president and co-founder of Topl, says.

Houston-based Topl was created by a few Rice University graduates and doctoral students — Raath, Chief Technology Officer James Aman, and CEO Chris Georgen. The founders wanted to create a way to track impact in various industries, such as carbon footprints in oil and gas or fair wages for farmers in agriculture.

The team has built six blockchain platforms that operate on the Topl network — two are live now, and four will go live later this year. The platforms are focused on four different areas: agriculture (tracking food products from the farm to the shelves), mining (diamonds, for instance), sustainability and impact (tracking a program to see how it succeeds), and carbon credits and renewables within the energy industry.

"It's a validation time for us," Raath tells InnovationMap. "With two platforms already live and collecting transaction fees, we are now at a point where there are actual blockchain transactions happening on our network."

The fact that Topl's technology is already up and running is rare. For this reason, Raath says she has to focus a lot on educating investors, clients, and the rest of the community — something that's really important to her.

"In the blockchain space, there are not a lot of real applications live anywhere," Raath says. "A lot of people are selling ideas that can be built on blockchains, but have not executed yet."

Topl partnered with European NGO Fairfood to create an agricultural blockchain platform that currently is live. Shoppers in the Netherlands can buy a pack of nutmeg and track the product's progress from the farmer who grew and sold the spice. The other already launched platform is focused on sustainability. Topl worked with the Texas Coastal Exchange to create a carbon credit marketplace that can sell carbon offsets generated through the natural carbon sequestration activities of land the organization holds along the Texas coast.

"For us this round is taking these four spaces and validating ourselves, proving out volume, the blockchain's ability, and then, the big thing is, to build out our next version of our blockchain," Raath says.

Raath says the fundraising round was different from what she expected, but she's excited about her investors. Seventy percent of the round was raised by Houstonians, and 40 percent of the investors were women, she says. Topl also had investor interest across industries and backgrounds — from Rice University professors to former banking execs.

The round doesn't technically have a lead investor, but Samantha Lewis, director at the GOOSE Society of Texas, led a syndicate of investors that made up more than 40 percent of Topl's round. Lewis says the round was too early stage for something GOOSE investors would typically contribute to, but she believes in the company so much that she worked nights and weekends to accomplish some of the things a lead investor would do during a raise.

"Since this was their first big round that they raised, I stepped in to help advise them — thinking about the terms, strategic investors, how to pitch to different people, if they needed to oversubscribe, and little details like that," Lewis says. "Through working with them in this way, I was doing diligence with them, and I got really excited about it."

Lewis, who volunteers a lot within the Rice network, met Raath through Georgen and the two hit it off. Lewis was then able to bring in investors from her network to contribute under her syndicate.

This passionate group of value-add investors who are personally committed to the company is what makes this seed round different for Raath. Their commitment is encouraging to her.

"I 100 percent believe that the investors in this round will not allow Topl to fail," Raath says.

With the money, Topl will be able to grow its platforms, provide better product features, and increase marketing efforts. Topl's customers are drawn to the technology because of the business efficiency the blockchain adds to their supply chain, but they are also excited about how having this technology differentiates them from their competition. Raath says she's interested in growing Topl's ability to do joint marketing campaigns with their customers.

This type of promotion leads to a growing clientbase, and Raath says she sees an overwhelming interest from potential clients. Not only is Topl creating a series of platforms in various industries, but the company itself is connecting other companies through their clients.

"Topl is not just a technology," Raath says, "it's an ecosystem."

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How Houston innovators played a role in the historic Artemis II splashdown

safe landing

Research from Rice University played a critical role in the safe return of U.S. astronauts aboard NASA’s Artemis II mission this month.

Rice mechanical engineer Tayfun E. Tezduyar and longtime collaborator Kenji Takizawa developed a key computational parachute fluid-structure interaction (FSI) analysis system that proved vital in NASA’s Orion capsule’s descent into the Pacific Ocean. The FSI system, originally developed in 2013 alongside NASA Johnson Space Center, was critical in Orion’s three-parachute design, which slowed the capsule as it returned to Earth, according to Rice.

The model helped ensure that the parachute design was large enough to slow the capsule for a safe landing while also being stable enough to prevent the capsule from oscillating as it descended.

“You cannot separate the aerodynamics from the structural dynamics,” Tezduyar said in a news release. “They influence each other continuously and even more so for large spacecraft parachutes, so the analysis must capture that interaction in a robustly coupled way.”

The end result was a final parachute system, refined through NASA drop tests and Rice’s computational FSI analysis, that eliminated fluctuations and produced a stable descent profile.

Apart from the dynamic challenges in design, modeling Orion’s parachutes also required solving complex equations that considered airflow and fabric deformation and accounted for features like ringsail canopy construction and aerodynamic interactions among multiple parachutes in a cluster.

“Essentially, my entire group was dedicated to that work, because I considered it a national priority,” Tezduyar added in the release. “Kenji and I were personally involved in every computer simulation. Some of the best graduate students and research associates I met in my career worked on the project, creating unique, first-of-its-kind parachute computer simulations, one after the other.”

Current Intuitive Machines engineer Mario Romero also worked on Orion during his time at NASA. From 2018 to 2021, Romero was a member of the Orion Crew Capsule Recovery Team, which focused on creating likely scenarios that crewmembers could encounter in Orion.

The team trained in NASA’s 6.2-million-gallon pool, using wave machines to replicate a range of sea conditions. They also simulated worst-case scenarios by cutting the lights, blasting high-powered fans and tipping a mock capsule to mimic distress situations. In some drills, mock crew members were treated as “injured,” requiring the team to practice safe, controlled egress procedures.

“It’s hard to find the appropriate descriptors that can fully encapsulate the feeling of getting to witness all the work we, and everyone else, did being put into action,” Romero tells InnovationMap. “I loved seeing the reactions of everyone, but especially of the Houston communities—that brought me a real sense of gratitude and joy.”

Intuitive Machines was also selected to support the Artemis II mission using its Space Data Network and ground station infrastructure. The company monitored radio signals sent from the Orion spacecraft and used Doppler measurements to help determine the spacecraft's precise position and speed.

Tim Crain, Chief Technology Officer at Intuitive Machines, wrote about the experience last week.

"I specialized in orbital mechanics and deep space navigation in graduate school,” Crain shared. “But seeing the theory behind tracking spacecraft come to life as they thread through planetary gravity fields on ultra-precise trajectories still seems like magic."

Rice Alliance names first head of platform & more innovation headlines

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Editor's note: The top April innovation headlines to know include Rice Alliance's newly minted head of platform and FDA approval for a local medtech startup. Below are the five most-read InnovationMap stories from April 1-15, 2026:

1. Rice Alliance names Houston healthtech exec as first head of platform

The Rice Alliance for Technology and Entrepreneurship has named its first head of platform. Houston entrepreneur Laura Neder stepped into the newly created role last month, according to an email from Rice Alliance. Neder will focus on building and growing Houston’s Venture Advantage Platform. The emerging platform, which is being promoted by Rice Alliance and the Ion, aims to connect founders with the "people, capital and expertise they need to scale." Continue reading.

2. Houston medtech startup clears FDA approval for new surgical tool

Prana Surgical has developed a minimally invasive, image-guided, single-use tissue extraction tool. Photo via LinkedIn

Houston-based Prana Surgical will soon bring a new electrosurgical tool to operating rooms around the country. The Prana System officially cleared U.S. Food and Drug Administration (FDA) approval earlier this month. Prana Surgical began as Prana Thoracic in 2022. Back then, the company primarily focused on developing screening tools for lung cancer diagnosis. It raised $6 million in series A funding rounds in 2023 and 2024 before transitioning to broader surgical needs in 2025. Continue reading.

3. Houston leads U.S. in population growth for 2025, Census says

The 10-county Houston metro added 126,720 residents from July 1, 2024, to July 1, 2025. Photo via Getty Images

Imagine that the Houston metro area swallowed a city the size of Pearland in just one year. That’s essentially what happened from 2024 to 2025, with the Houston metro ranking first in the U.S. for population growth based on the number of people. New estimates from the U.S. Census Bureau show the 10-county Houston metro added 126,720 residents from July 1, 2024, to July 1, 2025. That’s just shy of Pearland’s roughly 133,000-resident tally. Continue reading.

4. 8+ can't-miss Houston business and innovation events in April


From the Rice Business Plan Competition to the Veterans Business Battle, here's what not to miss in April and how to register. Photo courtesy the Ion

Houston's weeklong innovation festival kicked off April, followed by Rice University's globally recognized pitch competition returning for its 26th year. Plus, find coworking pop-ups, industry meetups, pitch battles and even a crawfish boil on the calendar. Continue reading.

5. Houston unicorn closes $421M to fuel first phase of flagship energy project

Tim Latimer, CEO and co-founder of Fervo Energy. Photo courtesy of Fervo Energy

Houston geothermal unicorn Fervo Energy has closed $421 million in non-recourse debt financing for the first phase of its flagship Cape Station project in Beaver County, Utah. Fervo believes Cape Station can meet the needs of surging power demand from data centers, domestic manufacturing and an energy market aiming to use clean and reliable power. According to the company, Cape Station will begin delivering its first power to the grid this year and is expected to reach approximately 100 megwatts of operating capacity by early 2027. Fervo added that it plans to scale to 500 megawatts. Continue reading.

UH breakthrough moves superconductivity closer to real-world use

Energy Breakthrough

University of Houston researchers have set a new benchmark in the field of superconductivity.

Researchers from the UH physics department and the Texas Center for Superconductivity (TcSUH) have broken the transition temperature record for superconductivity at ambient pressure. The accomplishment could lead to more efficient ways to generate, transmit and store energy, which researchers believe could improve power grids, medical technologies and energy systems by enabling electricity to flow without resistance, according to a release from UH.

To break the record, UH researchers achieved a transition temperature 151 Kelvin, which is the highest ever recorded at ambient pressure since the discovery of superconductivity in 1911.

The transition temperature represents the point just before a material becomes superconducting, where electricity can flow through it without resistance. Scientists have been working for decades to push transition temperature closer to room temperature, which would make superconducting technologies more practical and affordable.

Currently, most superconductors must be cooled to extremely low temperatures, making them more expensive and difficult to operate.

UH physicists Ching-Wu Chu and Liangzi Deng published the research in the Proceedings of the National Academy of Sciences earlier this month. It was funded by Intellectual Ventures and the state of Texas via TcSUH and other foundations. Chu, founding director and chief scientist at TcSUH, previously made the breakthrough discovery that the material YBCO reaches superconductivity at minus 93 K in 1987. This helped begin a global competition to develop high-temperature superconductors.

“Transmitting electricity in the grid loses about 8% of the electricity,” Chu, who’s also a professor of physics at UH and the paper’s senior author, said in a news release. “If we conserve that energy, that’s billions of dollars of savings and it also saves us lots of effort and reduces environmental impacts.”

Chu and his team used a technique known as pressure quenching, which has been adapted from techniques used to create diamonds. With pressure quenching, researchers first apply intense pressure to the material to enhance its superconducting properties and raise its transition temperature.

Next, researchers are targeting ambient-pressure, room-temperature superconductivity of around 300 K. In a companion PNAS paper, Chu and Deng point to pressure quenching as a promising approach to help bridge the gap between current results and that goal.

“Room-temperature superconductivity has been seen as a ‘holy grail’ by scientists for over a century,” Rohit Prasankumar, director of superconductivity research at Intellectual Ventures, said in the release. “The UH team’s result shows that this goal is closer than ever before. However, the distance between the new record set in this study and room temperature is still about 140 C. Closing this gap will require concerted, intentional efforts by the broader scientific community, including materials scientists, chemists, and engineers, as well as physicists.”

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This article originally appeared on EnergyCapitalHTX.com.

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