PayPal

PayPal is a publicly traded fintech company (NASDAQ: PYPL) that operates one of the world's largest digital payments networks. Founded in 1998 and serving more than 400 million active accounts globally, PayPal enables consumers and merchants to send money, make purchases, and manage financial assets online and in-store. Its entry into Solana is anchored by PayPal USD (PYUSD), a fully regulated, dollar-backed stablecoin that it issues in partnership with Paxos Trust Company.

PayPal USD (PYUSD)

PYUSD is PayPal's proprietary stablecoin, pegged 1:1 to the US dollar and backed by USD deposits, short-duration US Treasury securities, and cash equivalents. Issuance is handled by Paxos Trust Company, which operates under oversight from the New York State Department of Financial Services. In December 2025, Paxos converted to a federal OCC charter, making PYUSD the largest dollar-backed stablecoin issued by a federally regulated entity.

PYUSD launched on Ethereum in August 2023. PayPal expanded to Solana in May 2024, announcing the deployment at Consensus 2024. The Solana version was purpose-built to take advantage of Solana's throughput and sub-cent transaction fees, which make it suitable for high-frequency retail and commercial settlement — the use cases that define PayPal's core business.

By mid-2025, PYUSD on Solana had overtaken its Ethereum counterpart by circulating supply despite Ethereum's roughly ten-month head start. By Q1 2026, total PYUSD circulating supply exceeded $4 billion, with the Solana deployment representing the majority share. As of March 2026, PayPal expanded PYUSD access to 70 markets across 68 additional countries for send and receive functionality.

Solana Token Extensions

PYUSD on Solana is built using Solana's Token Extensions program, a framework that allows modular features to be programmed directly into a token's contract. The specific extensions implemented include:

• Confidential Transfers — allows transaction amounts to be private, visible only to sender, receiver, and any designated auditor, supporting compliance without exposing transaction data on-chain publicly.
• Permanent Delegate — grants Paxos regulatory authority to burn or transfer tokens from any address; this supports law-enforcement compliance obligations standard in regulated stablecoin programs.
• Transfer Hook — enables execution of custom logic on each transfer, initialized with a null program ID and reserved for future use.
• Transfer Fees — supports programmatic fee collection on transfers; initialized at 0% for PYUSD.
• Metadata / Metadata Pointer — stores token name, ticker symbol, and image on-chain in standardized format for cross-application portability.
• Mint Close Authority — allows the mint account to be closed to reclaim rent.

This architecture gives PYUSD enterprise-grade controls while remaining compatible with standard Solana wallets and DeFi protocols. The use of audited, reusable extension components reduces custom code surface area and associated security risk.

Consumer and Merchant Crypto Features

Beyond PYUSD, PayPal operates a full cryptocurrency wallet and exchange layer for US users. Supported assets include Bitcoin, Ethereum, Litecoin, Bitcoin Cash, Solana (SOL), and Chainlink (LINK), in addition to PYUSD. Users can buy, sell, hold, and transfer all supported assets within the PayPal app.

A 4% annual reward rate applies to PYUSD balances held in the PayPal wallet, incentivizing stablecoin usage over idle fiat. PayPal also allows transfers to external third-party wallets — including hardware wallets and exchanges — giving users full custody if desired.

On the merchant side, PayPal lets US business accounts accept over 100 cryptocurrencies at checkout, with sales settling in USD and converting to local currency automatically. Merchants require no changes to their existing checkout flows. Eligible transactions carry buyer and seller protection, including reimbursement up to $50,000 for unauthorized transfers.

Additional consumer tools include price alerts (configurable at 5%, 8%, or 10% price movements), recurring purchase schedules, and named wallet address book entries.

Launch Partners and DeFi Integration

When PYUSD launched on Solana, initial integrations included Crypto.com, Phantom wallet, and Paxos, providing fiat-to-crypto onramp and custody. Phantom users could hold, send, and receive PYUSD directly from the wallet with PayPal and Venmo balances displayed as a unified view across Ethereum and Solana.

PYUSD subsequently expanded into Solana DeFi, with yield opportunities available across lending and liquidity protocols. The availability of double-digit incentivized yields on DeFi platforms was a significant driver of PYUSD's supply growth on Solana relative to Ethereum in 2025.

Regulatory and Custodial Structure

PYUSD reserves are held separately from PayPal's operating capital. Paxos publishes monthly reserve attestations conducted by a third-party auditor. Token holders have a direct redemption right for USD against the reserve. The federal OCC charter conversion in late 2025 places the issuer under national bank regulation, which Paxos and PayPal position as a compliance advantage for institutional adoption.

PayPal's Venmo subsidiary also integrates PYUSD, with shared balance visibility across both platforms.

Solana Ecosystem Fit

PayPal's choice of Solana for PYUSD's second blockchain deployment reflects Solana's position as the leading chain for stablecoin transfer volume. The combination of high throughput, predictable low fees, and Token Extensions' compliance tooling aligned with what a regulated financial institution requires for a production payments deployment. PYUSD joining Solana brought significant real-world payment volume and mainstream brand recognition to the network, and the stablecoin's DeFi growth has made it a meaningful liquidity source across Solana protocols.