[bitcoin-dev] Simple Bitcoin Payment Channel Protocol v0.1 draft (request for comments)

2016-04-17 Thread Rune Kjær Svendsen via bitcoin-dev
Dear list I've spent the past couple of months developing a simple protocol for working with payment channels. I've written up a specification of how it operates, in an attempt to standardize the operations of opening, paying and closing. This specification was derived from a mostly-working imple

Re: [bitcoin-dev] Hash of UTXO set as consensus-critical

2015-09-19 Thread Rune Kjær Svendsen via bitcoin-dev
Bitcoin network is unreliable, at best, when a majority of mining power is used for malicious purposes. /Rune > On 19 Sep 2015, at 04:30, Justus Ranvier via bitcoin-dev > wrote: > > On 18/09/15 15:17, Rune Kjær Svendsen via bitcoin-dev wrote: >> Bitcoin does not function

Re: [bitcoin-dev] Hash of UTXO set as consensus-critical

2015-09-18 Thread Rune Kjær Svendsen via bitcoin-dev
et commitments, we should > seriously discuss whether the security model reduction is reasonable. > > On 09/18/2015 12:05 PM, Rune Kjær Svendsen via bitcoin-dev wrote: >> Currently, when a new node wants to join the network, it needs to retrieve >> the entire blockchain history, sta

[bitcoin-dev] Hash of UTXO set as consensus-critical

2015-09-18 Thread Rune Kjær Svendsen via bitcoin-dev
Currently, when a new node wants to join the network, it needs to retrieve the entire blockchain history, starting from January 2009 and up until now, in order to derive a UTXO set that it can verify new blocks/transactions against. With a blockchain size of 40GB and a UTXO size of around 1GB, t