---
title: "SCO60 Group 2 Exposure Limit V2"
method: POST
path: "/v1/tools/classify_sco60_exposure_v2"
tags: ["compliance_mandate", "basel", "sco60", "cryptoasset", "group-2", "exposure-limit", "tier-1", "prudential", "risk-weight", "mcp:classify_sco60_exposure_v2"]
---

# SCO60 Group 2 Exposure Limit V2

`POST /v1/tools/classify_sco60_exposure_v2`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/classify_sco60_exposure_v2`
- Auth: none declared

Book-level Group 2 exposure-limit assessor for banks' cryptoasset exposures (BCBS d545 Prudential treatment of cryptoasset exposures, SCO60.116-119; the corrected successor to the single-position classifier: the 1% figure is a general-expectation threshold, the must-not-exceed limit is 2% of Tier 1). The caller supplies Tier 1 capital in integer minor units and the Group 2 book as per-cryptoasset positions carrying absolute long and short legs already delta-adjusted for derivatives. Legs are aggregated per cryptoasset and each asset is counted at the higher of its absolute long and short totals, never a netted figure; the per-asset figures sum into one aggregate that is assessed against both thresholds by strict cross-multiplied integer comparisons (exposure*100 against tier1*multiplier), so exactly 1% is not crossed and exactly 2% is not breached, and no floating-point rounding can flip a boundary. Below 1%: no finding. Above 1% and at or below 2%: the expectation threshold is crossed - supervisor notification fires and only the excess over 1% of Tier 1 takes the 1250% Group 2b weight, the remainder keeping its own treatment; this band is not a limit breach and the Pillar 3 precheck is unaffected. Above 2%: the limit is breached - the whole aggregate takes the 1250% weight, the precheck fails, and the breach gap and flags fire. The capital input must be a multiple of 100 minor units so 1% and 2% of it and the excess amount are exact integers; zero, negative, fractional or over-cap capital is a typed refusal, never a NaN or Infinity verdict. The caller owns the completeness of the book (every direct holding - cash and derivatives - and indirect holding - funds, ETF/ETN or similar - must be supplied), the delta adjustment of the legs, and the Tier 1 figure; the node classifies no individual asset and applies no infrastructure-risk add-on, which remain the earlier single-position classifier's decisions. National implementation of the standard varies by jurisdiction and no adoption status is asserted.

**Tool URL:** https://ainumbers.co/chaingraph/art-711-sco60-crypto-asset-exposure-classifier-v2.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `bank_tier1_capital` integer, required: Tier 1 capital in integer minor units, a positive multiple of 100, at most 1e12. The denominator of both thresholds.
  - `group2_positions` unknown[], required: Per-cryptoasset positions with absolute, delta-adjusted long_exposure and short_exposure integers; same-asset entries merge before the count.
    - unknown

## Response `200`

Successful tool execution result

- object: output_payload: group2_exposure_amount, bank_tier1_capital, group2_exposure_pct_tier1, one_pct_tier1_amount, two_pct_tier1_amount, group2_threshold_crossed, group2_limit_breached, group2b_excess_amount, group2b_treatment (none | excess_only | whole_book), risk_weight_applied_pct (1250 or null), base_risk_weight_pct (1250), pillar3_precheck_pass, per_asset[]{cryptoasset, holding_type, long_exposure, short_exposure, counted_exposure}, gaps[], warnings[], domain_errors[], refusal_reason, scope_note.

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)