S4IoT25 - 2nd Symposium on Smart, Sustainable and Secure Internet of Things 2025

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The fee payment can be accomplished on-line either using Paypal account or secure credit card processing by PayPal.

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Establish which fee is applicable to you (New Author/Participant, Returning Author/Participant, Student Author)

Select appropriate payment option(s) from the list below. You will enter the secure payment processing web-site administered by PayPal. Please note that no credit/debit card details are disclosed to KCST or Castell Communications. If you have more than one additional paper or extra page, then click more than once or set the number in the final chart before checking out. Alternatively, you can set this in your shopping chart before checkout. Author/Participant Fee (USD200) Student Author (USD100)              SECOND or THIRD Author attending (USD150) - of a paper for which a FULL author registration and payment has already been made              ADDITIONAL Paper (USD100/paper) if you have already made one of the above full registration payments       and you are presenting a second/... paper at the conference              Extra page (over 8 pages)(USD30/page)

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