Former JPMorgan Chase blockchain lead Amber Baldet said that it's too early to introduce public blockchains to enterprises. “Until there is credible on-chain privacy or very well-designed privacy preserving architectures for enterprise applications on public chains, it’s a bit premature,” said Baldet, who oversaw the creation of Quorum, the private and privacy-centric fork of Ethereum ($ETH), when she was at JPMorgan.