These transactions work fine with the lightning network, according to the author on reddit: <a href="https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;Bitcoin&#x2F;comments&#x2F;47rk85&#x2F;first_successful_zeroknowledge_contingent_payment&#x2F;d0fbysd?context=3" rel="nofollow">https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;Bitcoin&#x2F;comments&#x2F;47rk85&#x2F;first_succe...</a><p>So this can scale as much as lightning can. See <a href="https:&#x2F;&#x2F;en.bitcoin.it&#x2F;wiki&#x2F;Scalability_FAQ#Doesn.E2.80.99t_Lightning_require_bigger_blocks_anyway.3F" rel="nofollow">https:&#x2F;&#x2F;en.bitcoin.it&#x2F;wiki&#x2F;Scalability_FAQ#Doesn.E2.80.99t_L...</a> and <a href="https:&#x2F;&#x2F;blockstream.com&#x2F;2015&#x2F;09&#x2F;01&#x2F;lightning-network&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blockstream.com&#x2F;2015&#x2F;09&#x2F;01&#x2F;lightning-network&#x2F;</a>