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Patricio Worthalter created the Proof of Presence Protocol (POAP), which is based on blockchain technology and generates presence badges that are used to verify participants 'attendance at thousands of Web3 events.
Waterhart joined the Ethereum ecosystem full-time in 2015, and subsequently launched POAP in 2018 to help expand blockchain application scenarios outside the financial sector.
The estimated value of his cryptocurrency assets on the chain is approximately US$107 million, of which Ethereum accounts for the vast majority of his portfolio.
Patricio Worthart: Early experiences and personal net worth-the founder behind the success of POAP Web3
Patricio Worthart is an Argentine entrepreneur and blockchain developer, best known as the founder of the Proof of Presence Protocol (POAP). POAP is one of the widely adopted infrastructure projects in the Ethereum ecosystem. Through POAP, Waterhart introduces a new way for individuals and organizations to create blockchain-based participation records that allow participants in physical and virtual events to obtain NFT badges to permanently verify their experiences.
Since the launch of the agreement, Waterhart has transformed POAP from a hackathon project into a critical Web3 infrastructure serving decentralized communities, enterprises, conferences and global brands. As a builder and early Ethereum participant, his success has accumulated an on-chain cryptocurrency portfolio worth approximately US$107 million.
Early Life and Entrepreneurship Background
Patricio Waterhart was born in Buenos Aires, Argentina in 1987 and has a strong interest in technology and entrepreneurship since childhood. Although he kept more secret about his personal life and educational background, he had achieved success through software development before entering the blockchain industry.
Before focusing on cryptocurrencies, Waterhart founded and led several technology companies in Argentina. He served as chief technology officer of Dift, founded software developer Millares, and led the development of OrderApp, a point-of-sale platform for restaurants. These entrepreneurial experiences have provided him with rich experience in software engineering, product development and business management.
Waterhart joined the Ethereum ecosystem full-time in 2015, recognizing the huge potential of blockchain beyond digital payments. Three years later, he launched the Proof of Presence Protocol (POAP) in 2018, laying the foundation for what later became a widely adopted Web3 infrastructure project in the Ethereum ecosystem.
Building a Proof-of-Presence Protocol
Waterhart conceived the idea of POAP in late 2018, which aims to use blockchain technology to preserve meaningful human experiences. The protocol made its public debut at the ETHDenver hackathon in February 2019, and attendees received the first blockchain-based attendance badges.
POAP was originally built on Ethereum, adopting the ERC-721 NFT standard, and later expanded to Gnosis Chain to increase scalability and reduce transaction costs. Waterhart did not build POAP as a speculative digital asset, but envisioned it as a decentralized record of participation and identity. He often describes POAP as a "bookmark for your life", emphasizing its role as recording experiences rather than creating financial value.
Expanding POAP in the Web3 ecosystem
As adoption accelerates, POAP has evolved into one of the most recognized infrastructure protocols in the Web3 space. Many brands including Adidas, Budweiser, L'Oréal, Google and Porsche, as well as countless DAO, NFT communities, conferences and blockchain projects, have adopted the technology.
Rapid growth has also brought technical challenges, with millions of NFTs creating huge demand for indexing and data services. To improve performance, POAP partnered with infrastructure provider Goldsky to enable the protocol to process billions of API requests per month while maintaining over 99.99% uptime and significantly improving query performance. This infrastructure upgrade consolidates POAP's position as one of the most reliable Web3 applications in the Ethereum ecosystem.
Angel Investment and Industry Contribution
While leading POAP, Waterhart is also actively involved in angel investment and supporting early-stage blockchain startups. His portfolio includes projects such as Taiko, Salsa, Evertas, Laylo and Tokenproof, demonstrating his commitment to advancing Web3 infrastructure and decentralized technology.
He also continues to be active in the wider blockchain community through interviews, conferences and technical discussions, focusing on NFT, decentralized identity, blockchain infrastructure and open source innovation. His work continues to influence the application construction of developers in the Ethereum ecosystem.
Net assets and cryptocurrency holdings
Patricio Waterhart's cryptocurrency assets on the chain are estimated to be worth approximately US$107 million, the vast majority of which is invested in Ethereum-based assets.
Its portfolio reportedly includes:
40,000 ETH units worth approximately US$77 million.
20,000 WETH pieces worth approximately US$39 million.
1.25 million RPLs worth approximately US$2.25 million.
900 AETHWETH, worth approximately US$1.74 million.
His portfolio reflects both his long-term involvement in the Ethereum ecosystem and his continued confidence in the network that supports most of POAP's ecosystem.
Summary
Patricio Waterhart has become one of the most influential infrastructure builders in the Ethereum ecosystem by creating POAP. POAP transformed NFT from a speculative tool into a vehicle for recording participation experiences. His vision helps thousands of organizations issue verifiable digital records while expanding blockchain applications beyond the financial world.
Combined with its approximately US$107 million cryptocurrency portfolio and continued involvement in Web3 investments, Waterhart remains an important figure in shaping the future of decentralized identities, digital communities and blockchain infrastructure.
Frequently Asked Questions
1. Who is Patricio Waterhart?
Patricio Waterhart is an Argentine entrepreneur and blockchain developer best known as the founder of the Proof of Presence Protocol (POAP), a leading Web3 infrastructure project.
2. What is POAP?
POAP (Proof of Presence Protocol) is a blockchain protocol used to issue NFT badges to verify participants 'attendance at physical and virtual events, creating a permanent digital record of participation.
3. What is Patricio Waterhart's estimated net worth?
Based on publicly reported chain holdings, Waterhart's cryptocurrency portfolio is valued at approximately US$107 million.
4. What cryptocurrencies does Patricio Waterhart hold?
His largest holdings reportedly include approximately 40,000 ETH, 20,000 WETH, 1.25 million RPL and 900 AETHWETH, of which Ethereum accounts for the majority of his portfolio.
5. Why is Patricio Waterhart important to the blockchain industry?
He founded POAP, one of the widely adopted infrastructure protocols in the Ethereum ecosystem, allowing organizations and individuals to create verifiable blockchain records of attendance, participation, and digital identity.

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