http://www.itu.int/ITU-T/workprog/wp_search.aspx?sg=21&q=12 Latest modified work items from ITU-T Study Group 21, Question 12 Work Programme http://www.itu.int/ITU-T/workprog/images/itulogo_new.gif http://www.itu.int/ITU-T/workprog/wp_search.aspx?sg=21&q=12 ITU tsbedh@itu.int tsbedh@itu.int Editor(s): Xiaofeng CHEN <chenxiaofeng@hyperchain.cn>; Yunchul CHOI <cyc79@etri.re.kr>; Jung Soo PARK <pjs@etri.re.kr>; Lifeng ZHANG <zhanglifeng@caict.ac.cn> Tue, 08 Sep 2026 12:13:53 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=24249 Reference architecture for data sharing and management in multi-agent multimedia systems based on distributed ledger technology Editor(s): Jinjie MA <19472524@qq.com>; Weiqi PAN <njpanwq@163.com>; Pi YICHEN <479441357@qq.com>; Lifeng ZHANG <zhanglifeng@caict.ac.cn> Tue, 08 Sep 2026 12:13:33 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=24246 Framework for distributed ledger technology (DLT)-based cross-domain settlement of electric vehicle grid-connected reserve services Editor(s): Shangyu LI <shangyuli@cge.cl>; Moises MOYA GARIAZZO <mmoyag@cge.cl>; Weiwei PANG <pangweiwei@caict.ac.cn>; Yong YAN <55682381@qq.com> Tue, 08 Sep 2026 12:13:19 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=24248 Framework and requirements of DLT-based trusted tamper-evident database for supporting multimedia service Editor(s): Xiufeng LIN <linxiufeng2023@ruc.edu.cn>; Shaoying WANG <18630103019@163.com>; Junying WU <kkyy237@163.com>; Xing XU <hsuxing@zju.edu.cn>; Lifeng ZHANG <zhanglifeng@caict.ac.cn> Tue, 08 Sep 2026 12:12:59 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=24247 Framework and requirements for distributed ledger technology supporting decentralized identity services in multimedia applications Editor(s): Yang CHENG <chengyang@caict.ac.cn>; Gang DI <dg.std@pbcdci.cn>; Changchun MU <mucc.std@pbcdci.cn>; Weiwei PANG <pangweiwei@caict.ac.cn>; Kai WEI <weikai@caict.ac.cn> Tue, 08 Sep 2026 12:12:42 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=21156 Stability assessment methods for distributed ledger technology platforms Editor(s): Yang CHENG <chengyang@caict.ac.cn>; Ning DONG <dongning@chinamobile.com>; Shaoyong GUO <syguo@bupt.edu.cn>; Weiwei PANG <pangweiwei@caict.ac.cn>; Kai WEI <weikai@caict.ac.cn> Tue, 08 Sep 2026 12:12:21 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=21155 Reference framework for carbon emission data management platforms based on distributed ledger technology Editor(s): Liu BIN <liubin1@caict.ac.cn>; Yihui ZHANG <zhangyihui@caict.ac.cn> Tue, 08 Sep 2026 12:11:46 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=21157 Framework and Technical requirements for electronic transferable records platform based on distributed ledger technology Editor(s): Yuan BO <yuanbo@caict.ac.cn>; Wenting CHANG <bainuan.cwt@antgroup.com>; Kai WEI <weikai@caict.ac.cn>; Yinqian WU <wuyinqian@caict.ac.cn> Tue, 08 Sep 2026 12:11:25 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=21154 Framework for distributed ledger technology based data circulation and exchange platform Editor(s): Tingting LIU <liutingting3@caict.ac.cn>; Weiwei PANG <pangweiwei@caict.ac.cn>; Yong YAN <yong.yan@poly.com>; Bo ZHANG <zhangbo6@huawei.com>; Lifeng ZHANG <zhanglifeng@caict.ac.cn> Tue, 08 Sep 2026 12:11:04 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=21158 Framework and requirements for cross-domain communication network identity interoperability platform based on distributed ledger technology Editor(s): Yunchul CHOI <cyc79@etri.re.kr>; Jung Soo PARK <pjs@etri.re.kr> Tue, 08 Sep 2026 12:10:40 GMT http://www.itu.int/ITU-T/workprog/wp_item.aspx?isn=21162 Requirements for interoperability between smart contracts and artificial intelligence based on distributed ledger technology