Muharem Hrnjadovic al-maisan

GPG Agent Forwarding over SSH

Forward a local GPG agent (e.g. YubiKey) to remote hosts so you can sign, encrypt, and authenticate via SSH without copying private keys.

Local machine (client)

`~/.ssh/config`

Host myserver

key signing procedure for next lunch

GPG Key Exchange & Signing — In-Person with Signal

A step-by-step guide for three people meeting in person who already have verified Signal chats with each other.

Overview

The goal is to verify each other's GPG public key fingerprints in person,

Metric / Axima Labs — Green Flags / Red Flags

Green flags

1. The startup thesis is coherent
This is not random crypto buzzwording. Their argument is internally consistent: for many major assets and tokenized assets, price is formed off-chain, so an AMM that assumes on-chain pools should do price discovery is structurally inefficient. That is a serious mechanism-design point, not fluff.

2. They may have operator experience rather than purely academic ideas
The strongest claim in the CTO brief is that they previously ran profitable HFT / arbitrage / market-making strategies and at times supplied a meaningful share of Aerodrome liquidity. If true, that would matter a lot, because real AMM pain is usually best understood by people who have actually traded against it.

Bitcoin Structural & Ownership Critique: Deep Dive

A detailed examination of the concentration and structural risks in Bitcoin's ownership, custody, mining, and market infrastructure -- the strongest thread from the broader "Saylor kills BTC" argument.

1. The Ownership Map: Who Controls Bitcoin?

1.1 Supply Breakdown (as of Mar 2026)

Category	BTC	% of 21M cap	% of mined (~19.8M)	Notes

Sovereign Bitcoin Investments (Mar 2025 -- Mar 2026)

Direct Holdings / Purchases

Entity	Action	BTC / Value	Notes
United States	Strategic Bitcoin Reserve (exec order Mar 2025)	~328,372 BTC	Seeded from forfeiture assets; BITCOIN Act proposes Treasury buy up to 1M BTC
El Salvador	Continued daily purchases	~~7,560 BTC (~~$504M)	Buying 1 BTC/day since 2021; portfolio peaked ~$800M in Oct 2025
Bhutan	Mining-based accumulation, partial sells	~~5,600 BTC (~~$381M)	Druk Holding & Investments; sold ~$42M in early 2026
Czech National Bank	First-ever central bank BTC purchase (Oct 2025)	$1M test portfolio	Pilot to evaluate BTC as reserve diversification; results in 2-3 years

Proposal: API Documentation with utoipa (Hybrid Approach)

Date: 2026-03-09

Problem

The backend API has 46 endpoints with no machine-readable documentation. API behavior is defined implicitly by Rust code. This means:

Frontend developers must read backend source or ask questions to understand request/response formats
No interactive way to test endpoints during development

Complexity Assessment & Refactoring Recommendations

Date: 2026-03-06

Methodology

Three tools were used to triangulate complexity from different angles:

complexity crate — per-function cognitive complexity scores for every function in the codebase (based on Cognitive Complexity by G. Ann Campbell). Cognitive complexity measures how hard code is to understand, penalizing nested control flow more than flat branching.
clippy cognitive_complexity lint — same metric but only flags functions above a threshold, confirming the top offenders.

Codebase Complexity Report

Date: 2026-03-06

Overview (scc)

Metric	Value
Total Rust files	75
Total lines	15,673

Code Analysis — Round 2

CRITICAL — Logic Bugs That Produce Wrong Results

1. Daily login reward off-by-one

File: src/mission/types/daily_login.rs:102-121

try_progress() mutates self.day (increments it) before returning. Then current_reward() does self.day.saturating_sub(1) to index into REWARDS. Result: the reward is always one day ahead. A user continuing a streak on day 1 gets the day-2 reward (10 coins instead of 5). On day 7, REWARDS[7] is out of bounds, hitting the unwrap_or_else fallback that returns REWARDS[0] (5 coins) instead of the intended 100-coin max reward.

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