we will continue to talk about. the payment services in bulgaria are evolving in line with the dynamic processes in europe, gathered around digitalisation, new technologies, and the ensured security of the payment process. 1 contactless payments on consumer off - the - shelf devices ( cots ) and software based pin entry on cots 2 payment card industry security standards council ( pci ssc ) 3 commission delegated regulation ( eu ) 2018 / 389 of 27 november 2017 supplementing directive ( eu ) 2015 / 2366 of the european parliament and of the council with regard to regulatory technical standards for strong customer authentication and common and secure open standards of communication ( rts on sca and csc ) 4 www. eba. europa. eu / regulation - and - policy / payment - services - and - electronic - money / eba - working - group - on - apis - under - psd2 5 opinion of the european banking authority on obstacles under article 32 ( 3 ) of the rts on sca and csc 6 www. eba. europa. eu / single - rule - book - qa 3 / 3 bis central bankers'speeches

. the advantages of dedicated interfaces are considerable – they have a higher degree of security, speed and are capable of accepting a large number of simultaneous requests. however, the use of dedicated interfaces also presents a great deal of challenges – their development is a costly and complicated process which requires coordination between various units of the banks, their external developers, and the providers of the new services. main priority is ensuring the security of the processes, without compromising their functionality. insofar as the legal provisions of delegated regulation ( eu ) 2018 / 3893 are more general, its practical application raises many issues that require additional clarification. to this end, in 2019 4. the european banking authority ( eba ) established a working group on apis under psd2 within this group, representatives of the eba, the national competent authorities, the european commission, and the european central bank consult the market participants ( banks, third party providers and industry organisations ) and identify potential practical implementation problems and possible solutions thereof. based on the consultations, by 31 july 2021 the eba has published clarifications on 31 issues relating to the practical application of the requirements for apis. with the aim of converging the supervisory practices among the member states of the european union, in june 2020 the eba published its opinion on obstacles under article 32 ( 3 ) of the regulatory technical standards on strong customer authentication and common and secure open standards of communication ( eba / op / 2020 / 10 ) 5. the work on the raised issues is still going on via the q & as published by the eba6. the bulgarian national bank, in its capacity as a regulator, has active communications with the market participants with the aim of improving the functionality of the dedicated interfaces already 2 / 3 bis central bankers'speeches built by the banks in the country. the process is developing in line with the european progress and in compliance with the legal framework, the opinions and clarifications published by the eba. the first authorised in bulgaria providers of the two new payment services started their activities in 2020. in conclusion, we can sum up that the trends in europe are related to the development of a single european payments infrastructure based on common standards and instruments, aiming to ensure a pan - european scope and reach. instant payments, which are in a process of introduction also in bulgaria, open banking, and the increasing use of mobile technologies are topical issues both in the country and in the european union, issues that