---
title: "Mint/Burn Flow Changelog"
canonical: "https://pharos.watch/methodology/mint-burn-flow-changelog/archive/v2/"
description: "Mint/Burn Flow Changelog - Pharos methodology version history."
---

# Mint/Burn Flow Changelog

[All versions](https://pharos.watch/methodology/mint-burn-flow-changelog/)

<a id="changelog-v-2-1"></a>

## v2.1 - Grade-aware flight-to-quality classification

**Effective:** 2026-03-01

Flight-to-quality shifted from static safe-haven lists to report-card score buckets, with fallback only when grade data is stale or missing.

- Safe/risky FTQ buckets now derive from report-card scores (safe >= 65, risky < 50, neutral ignored)
- Static safe-haven sets are now fallback-only for unavailable or stale report-card cache
- Largest-event attribution aligned to requested window semantics in aggregate mode

Origin: Reconstructed from git commit history

Commits: `dcdefde`, `c1c1839`

<a id="changelog-v-2-0"></a>

## v2.0 - USDT treasury-event capture and partial-data gauge support

**Effective:** 2026-03-01

Coverage and scoring robustness were upgraded to capture USDT treasury mint/burn events and keep the gauge active during early-history ramp.

- Added `startBlock` per config for near-history initialization instead of scanning from genesis
- USDT now tracks `Issue` and `Redeem` events that do not emit standard `Transfer` mints/burns
- Gauge now computes from available non-null FIS inputs instead of returning null when any coin lacks sufficient history

Origin: Reconstructed from git commit history

Commits: `2144236`, `1eddad0`