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@Filiprogrammer
56,329 sats stacked
stacking since: #652690longest cowboy streak: 3Filiprogrammer
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141 sats \ 0 replies \ @Filiprogrammer 15 Oct \ parent \ on: Is Braains Pool Independent? bitcoin_Mining

Block withholding attacks can be prevented by simply not using FPPS.

114 sats \ 0 replies \ @Filiprogrammer 18 Sep \ parent \ on: Krackpot no longer broadcasts its prize claim to the public mempool bitcoin

On Chromium 153 I am now getting only around 15.6 - 15.9 Mkeys/s with build v100.

Edit: Nevermind. I stopped and restarted and I briefly reached 16.4 Mkeys/s. But then hovering around 16.0 Mkeys/s

154 sats \ 0 replies \ @Filiprogrammer 17 Sep \ on: Why is this in my mempool? mempool

Is your mempool explorer publicly accessible? Maybe someone used the "Broadcast Transaction" (https://mempool.space/tx/push) feature?

224 sats \ 2 replies \ @Filiprogrammer 2 Sep \ parent \ on: I found an exchange that has lists B-lacky110 coin lol

I thought Bitcoin-Blake2B already has one way replay protection. Why not use that instead?

Unified sighash:
A new opt-in SIGHASH_UNIFIED format works across legacy, SegWit and Taproot inputs.

It provides linear signature hashing, commits to every input amount and gives one-way replay protection.

Source: #1558342

34 sats \ 0 replies \ @Filiprogrammer 30 Aug \ parent \ on: BLAKE2b hardfork activated. Here are the changes: lol

Read the release notes:

From block 961,640 until the parent block’s median-time-past reaches 1 September 2027, blocks are limited to 800,000 weight units, approximately 300 kB
137 sats \ 1 reply \ @Filiprogrammer 24 Aug -420 sats \ parent \ on: OCEAN miner fails to claim full block reward bitcoin_Mining

The block was found in July and this is not bad news.

218 sats \ 0 replies \ @Filiprogrammer 19 Aug \ on: Hardware wallets shouldn't be a source of randomness. Period. Dice only. bitcoin

Even if you supply your own entropy to the hardware wallet, you still have to trust it to actually use your entropy.

Best way to know that your seed is truly random is to print out the word list, cut the words out and then randomly pick 11 words. The twelth word needs to be chosen with the help of the hardware wallet, since it contains a checksum.

280 sats \ 0 replies \ @Filiprogrammer 12 Aug \ on: Bitcoin Airgap QR Workbench tech bitcoin

Awesome, very convenient to have that.

I also built a very primitive BCUR QR code reader a few years ago:
https://filiprogrammer.github.io/bcur_qr_reader/

16 sats \ 1 reply \ @Filiprogrammer 10 Aug \ parent \ on: Which Bitcoin phone wallet to recommend for newbies AskSN
Is the balance still onchain by default and they swap for Lightning?

Yes. Not a real Lightning wallet. The wallet backup is also non-standard.

126 sats \ 0 replies \ @Filiprogrammer 8 Aug \ parent \ on: Stacker Saloon

You cannot make this up.

1 sat \ 0 replies \ @Filiprogrammer 8 Aug \ parent \ on: Stacker Saloon

Seems the majority was wrong

126 sats \ 0 replies \ @Filiprogrammer 8 Aug \ parent \ on: Embed *entire directories* of arbitrary data contiguously in BIP110 valid blocks bitcoin

Correction: The change from 12594.5 vB to 50096 vB for the 50 kB JPEG inscription is actually a +297.76% increase.