Re: [bitcoin-dev] Reducing energy consumption and increasing security at the same time

2019-12-08 Thread Runchao Han via bitcoin-dev
Hi Cheng, This is an interesting proposal! While the incentive analysis is sound, I have two concerns: ## What if a guy keeps mining easy blocks to launch 51% attacks? With PoLW, a miner can sacrifice the coinbase reward as much as possible to mine blocks faster. If the blockchain follows the

[bitcoin-dev] Reducing energy consumption and increasing security at the same time

2019-12-08 Thread Cheng Wang via bitcoin-dev
Hi Everyone, I would like to share my serious work on reducing the energy consumption of PoW without sacrificing security. My new type of algorithm is called PoLW. For a practical system where mining is profitable, PoLW could actually improve the security of the system. The idea is to shift part

Re: [bitcoin-dev] Composable MuSig

2019-12-08 Thread Lloyd Fournier via bitcoin-dev
Hi ZmnSCPxj, I think you're idea of allowing multiple Rs is a fine solution as it would essentially mean that you were just doing a three party MuSig with more specific communication structure. As you mentioned, this is not quite ideal though. > It seems to me that what is needed for a

Re: [bitcoin-dev] easypaysy - A layer-two protocol to send payments without addresses

2019-12-08 Thread Jose Femenías Cañuelo via bitcoin-dev
Hi ZmnSCPxj, >> It seems possible, that, I do not. Haha, I’am starting to believe that’s not a joke ... >> >> This does not seem to mesh well with the other non-Master parts of the >> protocol, where further updates on the single account backed by a funding >> TXO are performed by spending