ChainCatcher news, the crypto exchange C3 has completed a $6 million seed round financing, led by Two Sigma Ventures. Jane Street Capital, Hudson River Trading, Flow Traders, Jump Capital, and GoldenTree Asset Management, as well as crypto-native trading firms CMS Holdings, AlphaLab Capital, and Cumberland, along with C2 Ventures participated in the funding.In addition, C3 co-founder Michel Dahdah stated that C3 supports its customers in keeping their funds in non-custodial crypto wallets or using other financial custodians, such as Fireblocks or Anchorage. C3 also offers traditional email login while using multiparty computation encryption technology to verify and protect that data. (source link)