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January 19, 2020, 06:41:04 PM *
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1  Economy / Exchanges / Exchanges which do not charge a withdraw fee? on: January 09, 2020, 05:19:16 AM
I'd like to make a list of exchanges which do not charge to a fee to withdraw Bitcoin. My preferred exchange (Bitstamp) now charges .0005 BTC for withdraws and although its not a lot, its far more than the transaction cost alone and I simply do not like the business model it supports as it encourages people to keep Bitcoin on the exchange instead of holding it in one's own wallet.

Please share the exchanges that currently do not charge withdraw fees and we can update as things change.  
2  Bitcoin / Bitcoin Discussion / Annual Proof of Keys January 3rd on: December 26, 2019, 07:26:22 AM
On January 3rd each year, Bitcoin hodlers worldwide celebrate the genesis block anniversary in an event started by Trace Mayer known as "Proof of Keys".  This is the powerful and simple concept of moving your Bitcoins, for this one day of the year, from exchanges and other custodial holdings to a wallet or address that you personally control. This action is important as it lays claim to our monetary sovereignty while ensuring that custodial solutions cannot easily become insolvent or bad actors in our communities.

If you are unfamiliar with moving or storing Bitcoin, please take this opportunity to get support from the community  here and refresh your confidence in your ability and that of your custodian.

https://www.proofofkeys.com/
3  Bitcoin / Bitcoin Technical Support / Advice on Raspberry pi hardware for running full BTC node on: October 27, 2019, 05:55:23 AM
I'm new to full nodes and Rasberry pi but fairly competent with hardware and setup in general.  I'd like to use the raspberry pi to run the node because it'll be easy to move and won't be a process running on my main computer.
I hear there's new units out now, version 4b? Is the latest and greatest hardware preferable?
What I'd like to know is what pieces of kit do I need specifically? 
1. RP version?
2. Heat sink, fan?
3. what case?
3. memory card 256gb I think. What brand/speed is best?
4. External Hard drive. (Is a hard drive necessary, can I use a thumb drive instead to boot and run from?)
5. An old computer screen I already have.

Anything else I'm missing?

It would be great to hear from folks with plenty of experience in running nodes on RP.



4  Bitcoin / Bitcoin Discussion / Does Bitcoin address reuse concerns apply only to spends/outputs? on: October 13, 2019, 05:35:56 AM
 I understand that its not good security and privacy practice to reuse addresses after a spend due to the fact that the public key becomes available for that address during the spend and it essentially weakens the security and privacy.
Is an address still considered 100% secure for which has only ever seen inputs/deposits and has never seen a spend?

What if that input only address is on a hardware wallet like a trezor along with other addresses with balances?  If I understand this correctly, spending from a trezor could come from any one or multiple addresses which has spendable inputs in that wallet.  Once any spend on such a wallet occurs, it's not advisable to reuse any of the previous addresses for deposits.  
5  Bitcoin / Bitcoin Discussion / Coin Join and obfuscating identity, balances, privacy. Is it advisable? on: October 11, 2019, 11:36:17 PM
BTC bought from exchanges with KYC and AML can provably be traced back to its origins with buyer identity. I'm curious about coin joins such as wasabi. What would the implications of using such a service be if a person ever needed to prove origins of their BTC to a court, tax authority or similar?
What type of privacy does one receive for using such a service? Is it just that the exchange and anyone they've shared KYC info with cannot follow the trail and spending?

I'm rather hesitant to use such a service without knowing the full scope of ramifications that may come with it.
What are the benefits (examples would be great) of using one?
Personally I cannot imagine needing to hide my activities but I would prefer not to be followed all the same.

  
  
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