Achim WarnerExample of a problematic scenario with timeout treesThere’s been a lot of hand-waiving about timeout trees over the last few days. The point here is just to present a concrete example of what…3 min read·Feb 22, 2024----
Achim WarnerBitcoin is Dead (long live IBIT.)The possibility of abandonment has been crucial to the security of Bitcoin. Without it, what forces Bitcoin to maintain its character?13 min read·Jan 18, 2024--4--4
Achim WarnerThoughts on Drivechain II: How bad is MEV?Some suggest MEV will lead to miner centralization. Centralization is always a major concern, and anything that potentially adds…10 min read·Aug 4, 2023--2--2
Achim WarnerThoughts on Drivechain I: Miners can do things about which we will inevitably argue whether it is…There seems to be two main lines of criticism about drivechain, MEV and “miners can steal. ” I’m working on the MEV (still thinking through…11 min read·Jul 18, 2023--1--1
Achim WarnerWhat can go wrong if demand for Bitcoin blockspace becomes taken up by non-Bitcoin uses?Moar security = good, right?3 min read·May 1, 2022----
Achim WarnerHow bitcoin transactions can be censoredFor this to work, you need to have 51% of miners that are “rational”. If there are 51% of miners that are not maximizing profits in the…3 min read·Mar 1, 2022----
Achim WarnerThe Bitcoin Security Trilemma and the security budgetBitcoin Security Trilemma: In as much as an attacker can marshal sufficient hashrate, Bitcoin must be A) Exploitable B)Value-Destructible…4 min read·Feb 1, 2022----
Achim WarnerHere’s how the miners will change the total supplyIt will happen 2031/2032, when the halving is expected to change the block reward from 1.5625 to 0.78125 BTC / block. In 2030, the…5 min read·Jan 5, 2022----
Achim WarnerBitcoin’s Layer 0.51 : A quick proposal to reduce the hashrateAbstract: At the outset of some predetermined time epoch, miners run a quick hashing competition to signal their interest in joining a…2 min read·Dec 10, 2021----
Achim WarnerProposal to assert United States Control over the Bitcoin blockchain by 2037 /sBrief Description9 min read·Sep 10, 2021--3--3