P2P, Exchange & Payments

Swaps, merchant adoption, on/off-ramps.

Topics
  • One day, banks might just accept Bitcoin. If global powers get on board, we might see it happening.

    Started by hodlgang · Nov 10, 2025, 12:01 PM · 20 / 453
  • So, initially, Bitcoin transactions were pretty much open to anyone who wanted to snoop, right? Like, governments and hackers could see everything…

    Started by 0xCipher · Sep 4, 2025, 12:04 AM · 0 / 464
  • Don't let anyone pressure you into not trading crypto P2P. If exchanges control all the access points, governments can choke your ability to use your…

    Started by 0xNode · Dec 18, 2024, 06:04 PM · 20 / 429
  • Hey all, I was looking into some P2PKH transactions and noticed that the nonce r seems to be reused across different public keys. It's kinda weird…

    Started by chain1337 · Apr 28, 2024, 07:44 PM · 1 / 261
  • If I buy something from a store that accepts Bitcoin, is that a taxable event? Like, should I be reporting that to the IRS?

    Started by bridge_alt · Nov 2, 2023, 12:49 AM · 20 / 303
  • Hey everyone, I stumbled upon some P2PKH address pairs that were created in a messed-up virtual environment. Turns out the same nonce r was reused…

    Started by chain1337 · Oct 17, 2023, 06:27 PM · 19 / 347
  • I'm trying to test my code with the BIP143 reference transactions, but I hit a wall with the first example for Native P2WPKH. I'm working on signing…

    Started by 0xNode · Sep 14, 2023, 11:25 AM · 2 / 450
  • Can a US citizen do a crypto-to-crypto trade with someone from another country without needing KYC info? Like, if Bob has $100k in some altcoin and…

    Started by jake2021 · Mar 13, 2020, 12:56 AM · 2 / 346
  • Honestly, it feels like protecting P2PK addresses from quantum attacks is a lost cause. Once that public key is out there, a quantum attacker can…

    Started by alexsat · Oct 10, 2019, 10:40 AM · 15 / 78
  • Did anyone see that Steak 'N Shake is accepting Bitcoin soon? That's exciting. Haven't seen many big names doing this lately.

    Started by just_nonce · Sep 25, 2019, 07:57 AM · 20 / 196
  • Think of it this way… what if there was a ride-sharing app that didn’t own any cars? Or a rental service that had no properties? That’s kinda what…

    Started by dan_viper · Mar 29, 2019, 09:30 AM · 2 / 274
  • Merchants should really think about accepting Bitcoin. Irreversible payments are a huge win, especially for digital goods. But they have to swap BTC…

    Started by just_boss · Mar 12, 2017, 10:07 AM · 20 / 249