[Bitcoin Core Developer Gloria Zhao Resigns from Maintainer Role] According to Cryptopolitan, Bitcoin Core developer Gloria Zhao has resigned from her maintainer role and revoked her cryptographic signing key. She has long focused on areas such as mempool validation, transaction relay, and fee estimation. Her resignation does not affect Bitcoin's consensus rules, network security, or transaction processing. The report noted that maintainers resigning and revoking keys is a common practice in open-source projects. Bitcoin Core maintainers are a trusted small group of developers responsible for code review, approving updates, and digitally signing official releases with their keys. Zhao has contributed to Bitcoin Core development for over six years, but her work did not involve altering Bitcoin's underlying protocol rules. Zhao has not responded regarding the specific reasons for her resignation.