j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckM*<div class="post"><div class="quoteheader"><a href="https://bitcointalk.org/index.php?topic=1790.msg28172#msg28172">Quote from: kiba on December 08, 2010, 05:54:03 PM</a></div><div class="quote">Time based expiry date rather than block based expiration system.<br/></div>Well yes, time based expiry is better for the customer, but the motivation for block-based expiry in the theymos/nanotube design seems to be that the transaction records are vulnerable to block chain compaction, which might happen after a specific number of blocks.<br/><br/>Of course, there is nothing that forces the providers of domain name servers to compact <i>their</i> copy of the chains, but then a new entrant into the business can't get all the data unless they can lay their hands on one of these uncompacted block chains.</div> text/html
https://whatsonchain.com/tx/cb4fdbaeba8ee052e388a08c9c0b34484e50686fbf5541ed2d541da4a8b4dfdc