Conference Presentation, Keynote
Decentralized Applications: What's Now, What's Next
- Decentralized applications (dApps) are defined by smart contracts, systems that move value based on predetermined rules to enable programmable money.
- Current dApp activity is concentrated in three primary sectors: open financial tools (DeFi), infrastructure, and gaming/digital collectibles.
- Within DeFi payments, 65% (1.1 billion) of the global population lacks access to financial systems, and traditional cross-border transfers often incur fees of 15–20%.
- Blockchain payments face three primary limitations: low transaction throughput (Ethereum ~15 tx/s, Bitcoin ~7 tx/s vs. Visa's thousands), token volatility, and complex user interfaces.
- Scalability solutions are being developed at "Layer 1" (new blockchains) and "Layer 2" (protocols built atop existing chains to increase volume).
- Celo is deploying a mobile-first payment app on its own blockchain to facilitate stable value transfer via phone numbers, currently piloting in refugee camps in Tanzania.
- The Lightning Network aims to scale Bitcoin by utilizing bi-directional payment channels, recording only channel open/close transactions on the main blockchain to reduce bloat.
- DeFi credit and lending utilize on-chain collateralization to extend risk pricing to the "long tail" of users often excluded by traditional banks.
- MakerDAO enabled $200 million in self-loans within its first year and a half, a utilization metric that took the public lender Lending Club five years to achieve.
- Decentralized exchanges (DEXs) eliminate centralized intermediaries to reduce single points of failure and prevent the manipulation of trading volumes.
- Uniswap utilizes a liquidity pool model where market makers deposit funds into smart contracts, allowing takers to trade instantly against the protocol rather than individual peers.
- The 0x protocol functions as a decentralized exchange layer that enables various interfaces (e.g., Radar, Ledger Dex) to access a shared, global liquidity network.
- DeFi projects are increasingly allocating resources toward compliance protocols, including Know Your Customer (KYC) and Anti-Money Laundering (AML) checks.
- Infrastructure innovation focuses on "resource tokens" to tokenize scarce computing resources (storage, bandwidth, processing power), creating decentralized alternatives to centralized providers like AWS.
- Gaming represents a massive market with 250 million users (e.g., Fortnite generating $2.4B revenue), where blockchain aligns incentives by removing middlemen to share value directly with creators and players.
- Rally enables Twitch streamers and viewers to trade digital assets and engage in monetization outside of Twitch's proprietary ecosystem.
- The digital collectibles market, rooted in Non-Fungible Tokens (NFTs), is a $200 billion sector extending the physical collectibles economy into provably scarce digital assets.
- CryptoKitties (launched late 2017) demonstrated mainstream demand for NFTs but critically overloaded the Ethereum network, catalyzing industry-wide focus on blockchain scalability and interoperability.