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Questions tagged [shared]

7 questions
3
votes
3 answers

How to subtract two points on an elliptic curve?

Please tell me if there is a formula for A-B, (That is, subtraction of two points / minus). I know how two points are added, A + B this addition is described in detail (Please tell me how you can change the formula to subtract two points / minus)…
Izi Tors
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3
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1 answer

How to share the blockchain across local network residing on 1 PC, not copy?

Shared blockchain... I have a server PC that is on all the time and runs a copy of bitcoin core 24/7. My main personal computer I use separate for everything else including and I use both Bitcoin core and Armory. Each time I open either of these I…
user981977
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3
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2 answers

Why does transaction activity show on the blockchain for my Bitcoin address at my hosted (shared) E-Wallet service?

I have an online wallet at localbitcoins.com (address 12pHFR5yv2KGqck5N8teb5MgoRtzAgLRn2). I made three transfers to it, for a total of 0.5 BTC + 0.5 BTC + 0.3031 BTC = 1.3031 BTC. Blockchain.info did show my address receiving coins. However, it is…
Pacerier
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1 answer

Is it possible to have my blockchain on a different folder than that of my wallet files?

I am trying to implement bitcoin payments for the project I'm currently working on, and I need to create a bitcoin wallet that should be inside a USB stick. This USB stick should be at the hands of the project manager, and every developer that wants…
Loupax
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1
vote
2 answers

Multiple copies of wallet.dat with a constraint

I know it is generally a very bad idea to share one wallet.dat between many clients on different machines because public/private key sets start divirging after some time if all the clients are allowed to recieve and spend money and this leads to a…
src091
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1 answer

Is it possible to add two secp256k1 points to get a "shared key"?

As I know from the Elliptic Curve Diffie Hellman (ECDH), you can create a "Shared Key": https://asecuritysite.com/encryption/ecdh2 This will look like this: dA × dB × G = Shared Key QB = dB × G QA = dA × G But is it possible to get the sum of dA…
Izi Tors
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0
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0 answers

Seeking specific advice on three-party/escrow-type transactions

I'm a professional mediator just learning about bitcoins, and I have a specific question. I have been asked by someone if I am able to be the "third party" for a Bitcoin transaction. In other words, Party A has X Bitcoins, he wants to sell them to…
MediatorMatthews
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