The cost in BlockChainTech Congress is:

Price for business:
2295 PLN + 23% VAT to 28.02.2018
2795 PLN + 23 % VAT from 28.02.2018

Price for public administration:
295 PLN + 23% VAT to 28.02.2018
595 PLN + 23 % VAT from 28.02.2018