46 (b) capacity-building in the development and planning of strategic policy to counteract ICT crimes; (c) training of the staff of competent authorities in the preparation of requests for mutual legal assistance that meet the requirements of this Convention; (d) prevention of the transfer of proceeds of offences established in accordance with this Convention and recovering such proceeds; (e) detection and blocking of transactions related to the transfer of proceeds of offences established in accordance with this Convention; (f) surveillance of the movement of proceeds of offences established in accordance with this Convention and of the methods used to transfer, conceal or disguise such proceeds; (g) appropriate and efficient legal and administrative mechanisms and methods facilitating the seizure of proceeds of offences established in accordance with this Convention; (h) methods used in protecting victims and witnesses who cooperate with judicial authorities; and (i) training of staff in national and international regulations and in languages. 2. The States Parties shall entrust the United Nations Office on Drugs and Crime with the task of providing specialized training assistance to States Parties with a view to promoting the implementation of national programmes and projects to combat ICT crimes. Article 60. Information exchange 1. Each State Party shall consider analyzing, in consultation with the experts, trends in ICT crimes in its territory, as well as the circumstances in which such offences are committed. 2. The States Parties shall consider expanding statistics, analytical expertise concerning ICT crimes with a view to developing, insofar as possible, common