4.8 • 764 Ratings
🗓️ 2 September 2025
⏱️ 84 minutes
🧾️ Download transcript
Pierre Rochard, CEO of the Bitcoin Bond Company, discusses the functional importance of bitcoin’s difficulty target and adjustment, how it works at a technical and practical level, and why it is relevant collectively to the energy consumed by the bitcoin network, transaction finality and the issuance schedule of bitcoin’s fixed supply.
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| 0:00.0 | All right, Pierre. |
| 0:05.6 | Thanks for doing this on short notice. |
| 0:07.8 | Of course. |
| 0:08.7 | Always happy to come chat. |
| 0:10.5 | I feel like, as I was telling you before, |
| 0:12.8 | that feels like a hold my beer type episode, |
| 0:15.7 | but I'm also really excited for it. |
| 0:17.8 | We're going to talk about the difficulty target |
| 0:20.0 | and the difficulty adjustment. What it going to talk about the difficulty target and the difficulty |
| 0:21.6 | adjustment. What it is is significance to the network and how it works. And we're going to |
| 0:28.6 | describe it like we're five so that everybody can understand. Before we get into that, though, |
| 0:34.0 | if you could share in your words how you think about the function of mining |
| 0:41.6 | and the mining function relative to other network nodes that are non-mining. |
| 0:48.0 | Yeah, great question. So I think that the mining function is really dual purpose. So there's two functions to it. And I think that the mining function is really dual purpose. |
| 0:54.6 | So there's two functions to it. |
| 0:57.1 | And I think that sometimes they get conflated a little bit. |
| 1:00.9 | So first of all, the biggest, from an economic perspective, is about issuing new Bitcoin |
| 1:08.1 | onto the ledger. |
| 1:09.5 | So there's this issuance schedule with the halvings that looks at what block height |
| 1:15.5 | are we at? |
| 1:16.6 | And so how much new Bitcoin are we creating every 10 minutes? |
| 1:20.1 | Now, I use these words loosely. |
... |
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