Re: [bitcoin-dev] SegWit testnet is live

2016-01-07 Thread Matthieu Riou via bitcoin-dev
Not strictly speaking a wallet but we (BlockCypher) will also go down the segwit path as soon as the BIP and branch are mature enough. All transactions built from our APIs should eventually be segwitted (just made up a verb). Thanks, Matthieu *CTO and Founder, Blockcypher* I have been informed th

Re: [bitcoin-dev] Significant losses by double-spending unconfirmed transactions

2015-07-15 Thread Matthieu Riou via bitcoin-dev
On Wed, Jul 15, 2015 at 12:32 PM, Peter Todd wrote: > > "In a Sybil attack the attacker subverts the reputation system of a > peer-to-peer network by creating a large number of pseudonymous > identities, using them to gain a disproportionately large influence." > Our "identities" aren't pseudony

Re: [bitcoin-dev] Significant losses by double-spending unconfirmed transactions

2015-07-15 Thread Matthieu Riou via bitcoin-dev
Hi, Thanks for the bug report Simon, "responsible" disclosure on public forums is always appreciated. We're working with ShapeShift to make sure we can protect them appropriately against this specific attack in the future. As "Me" and Adrian advised, I would also encourage you return the funds. R