I know you know that USDC isn’t a blockchain. Zerohash operates across multiple blockchains (Bitcoin, Ethereum, Solana, Sui, Polkadot, the Canton Network, and more). Paypal is on ethereum.

0xbitcoiner

Clients can fund their accounts with USDC, a digital asset backed 1:1 by the US dollar, from their crypto wallet to a secure wallet provided through a collaboration with zerohash. Interactive Brokers plans to add support for Ripple Coin (RLUSD) and PayPal's coin (PYUSD) next week

Stacker_Stocks

Interactive Brokers Enables 24/7 Account Funding with Stablecoins

freetx

Looks like usdc:

> Clients can fund their accounts with USDC, a digital asset backed 1:1 by the US dollar, from their crypto wallet to a secure wallet provided through a collaboration with zerohash. Interactive Brokers plans to add support for Ripple Coin (RLUSD) and PayPal's coin (PYUSD) next week