<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 29 Mar 2017, at 04:50, Tom Zander &lt;<a href="mailto:tomz@freedommail.ch" class="">tomz@freedommail.ch</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">On Tuesday, 28 March 2017 19:34:23 CEST Johnson Lau via bitcoin-dev wrote:<br class=""><blockquote type="cite" class="">So if we really want to get prepared for a potential HF with unknown<br class="">parameters,<br class=""></blockquote><br class="">That was not suggested.<br class=""><br class="">Maybe you can comment on the very specific suggestion instead?<br class=""><br class="">-- <br class="">Tom Zander<br class="">Blog: <a href="https://zander.github.io" class="">https://zander.github.io</a><br class="">Vlog: <a href="https://vimeo.com/channels/tomscryptochannel" class="">https://vimeo.com/channels/tomscryptochannel</a><br class=""></div></div></blockquote></div><br class=""><div class="">Just take something like FlexTran as example. How you could get prepared for that without first finalising the spec?</div><div class=""><br class=""></div><div class="">Or changing the block interval from 10 minutes to some other value?</div><div class=""><br class=""></div><div class="">Also, fixing the sighash bug for legacy scripts?</div><div class=""><br class=""></div><div class="">There are many other ideas that require a HF:</div><div class=""><a href="https://en.bitcoin.it/wiki/User:Gmaxwell/alt_ideas" class="">https://en.bitcoin.it/wiki/User:Gmaxwell/alt_ideas</a></div></body></html>