jak dziala blockchain

[tdn_block_newsletter_subscribe input_placeholder="Twój email" btn_text="Wyślij" tds_newsletter2-image="518" tds_newsletter2-image_bg_color="#c3ecff" tds_newsletter3-input_bar_display="row" tds_newsletter4-image="519" tds_newsletter4-image_bg_color="#fffbcf" tds_newsletter4-btn_bg_color="#f3b700" tds_newsletter4-check_accent="#f3b700" tds_newsletter5-tdicon="tdc-font-fa tdc-font-fa-envelope-o" tds_newsletter5-btn_bg_color="#000000" tds_newsletter5-btn_bg_color_hover="#4db2ec" tds_newsletter5-check_accent="#000000" tds_newsletter6-input_bar_display="row" tds_newsletter6-btn_bg_color="#da1414" tds_newsletter6-check_accent="#da1414" tds_newsletter7-image="520" tds_newsletter7-btn_bg_color="#1c69ad" tds_newsletter7-check_accent="#1c69ad" tds_newsletter7-f_title_font_size="20" tds_newsletter7-f_title_font_line_height="28px" tds_newsletter8-input_bar_display="row" tds_newsletter8-btn_bg_color="#00649e" tds_newsletter8-btn_bg_color_hover="#21709e" tds_newsletter8-check_accent="#00649e" embedded_form_type="feedburner" embedded_form_code="dGVzdA==" tds_newsletter="tds_newsletter1" tds_newsletter1-input_bar_display="" tdc_css="eyJhbGwiOnsibWFyZ2luLWJvdHRvbSI6IjAiLCJkaXNwbGF5IjoiIn19" tds_newsletter1-f_input_font_family="712" tds_newsletter1-f_btn_font_family="712" tds_newsletter1-f_input_font_size="14" tds_newsletter1-btn_bg_color="#266fef"]