Bitfinex plans to list new cross-chain DeFi token pTokens BTC after endorsing the project in late 2019
Source: https://cointelegraph.com/news/bitfinex-lists-new-cross-chain-defi-token-to-drive-dex-liquidity
Bitfinex Lists New Cross-Chain DeFi Token to Drive DEX Liquidity
April 24, 2020
CoinTelegraph