## Bottom line

- The known 12-bitcoin pool was **2/3 separate / 1/3 marital**.
- After the sale and exchange, the known holdings are **3 BTC and 90 ETH**, with **$280,000 separate** and **$140,000 marital** value at the valuation date.
- Mira’s one-half share of the **known marital crypto** is **$70,000**.
- The second, undisclosed **40 ETH wallet** is **provisionally marital** because Evan has not traced a separate source or proved a gift.
- If the 40 ETH is marital and the concealment was intentional, Mira should receive **$60,000 ordinary marital share + $24,000 surcharge = $84,000** for that wallet, or **$154,000 total** including the known marital crypto.
- Evan’s **$50,000 offer is inadequate** even if the second wallet were ultimately separate. Mira should **reject the offer** and seek **targeted forensic discovery** before any final release. A conditional settlement is appropriate only with strong production, tracing, and surcharge-preservation terms.

---

# 1. Separate and marital proportions for the original 12 bitcoin

Evan began with:

- **8 BTC**: premarital, separately traceable.
- **4 BTC**: purchased during marriage with $120,000 from a joint account, therefore marital.

Combined:

| Category | BTC | Fraction of 12 BTC |
|---|---:|---:|
| Separate | 8 | 8/12 = **2/3** |
| Marital | 4 | 4/12 = **1/3** |
| Total | 12 | 100% |

Because the units were commingled without unit-specific identifiers, later withdrawals and remaining units retain the same proportional character under the supplied tracing rule.

So the mixed pool is:

- **66.67% separate**
- **33.33% marital**

---

# 2. Character of the 3-bitcoin sale and the remaining 9 bitcoin

Evan sold **3 BTC** from the 12-BTC mixed pool.

Using the 2/3 separate / 1/3 marital ratio:

| BTC disposition | Separate BTC-equivalent | Marital BTC-equivalent |
|---|---:|---:|
| 3 BTC sold | 3 × 2/3 = **2 BTC** | 3 × 1/3 = **1 BTC** |
| 9 BTC remaining | 9 × 2/3 = **6 BTC** | 9 × 1/3 = **3 BTC** |

The sale proceeds were deposited into joint checking and spent on ordinary household expenses. Under the supplied rule, proceeds spent on ordinary marital expenses are **not reimbursed** to either spouse absent a separate agreement.

So:

- The **sold 3 BTC** were **2/3 separate / 1/3 marital**.
- The **remaining 9 BTC** were **2/3 separate / 1/3 marital**.
- The sale does not create a current reimbursable asset.
- Evan cannot treat the entire sale as separate, and Mira cannot treat the entire sale as marital.

---

# 3. Character of the exchange of 6 bitcoin into 90 ether

From the remaining 9 BTC, Evan exchanged **6 BTC** for **90 ETH** and retained **3 BTC**.

The 6 BTC surrendered had the same proportional character:

| BTC exchanged | Separate BTC-equivalent | Marital BTC-equivalent |
|---|---:|---:|
| 6 BTC | 6 × 2/3 = **4 BTC** | 6 × 1/3 = **2 BTC** |

Under the supplied rule, an exchange does not change character. The 90 ETH inherits the proportional character of the 6 BTC surrendered.

Therefore:

| Asset acquired | Separate ETH-equivalent | Marital ETH-equivalent |
|---|---:|---:|
| 90 ETH | 90 × 2/3 = **60 ETH** | 90 × 1/3 = **30 ETH** |

The retained 3 BTC remain:

| Retained asset | Separate BTC-equivalent | Marital BTC-equivalent |
|---|---:|---:|
| 3 BTC | **2 BTC** | **1 BTC** |

The later transfer of 30 ETH to a cold wallet does not change character. It only changes location. The known holdings remain 3 BTC and 90 ETH in total.

If one wanted to break the 90 ETH into wallet location:

- 30 ETH in cold wallet: **20 ETH separate / 10 ETH marital**
- 60 ETH remaining in original wallet: **40 ETH separate / 20 ETH marital**
- Total: **60 ETH separate / 30 ETH marital**

---

# 4. Separate and marital value of the known 3 bitcoin and 90 ether

Valuation-date prices:

- 1 BTC = **$50,000**
- 1 ETH = **$3,000**

Known holdings:

| Asset | Total units | Separate units | Marital units | Separate value | Marital value | Total value |
|---|---:|---:|---:|---:|---:|---:|
| 3 BTC | 3 | 2 | 1 | 2 × $50,000 = **$100,000** | 1 × $50,000 = **$50,000** | $150,000 |
| 90 ETH | 90 | 60 | 30 | 60 × $3,000 = **$180,000** | 30 × $3,000 = **$90,000** | $270,000 |
| **Total known crypto** |  |  |  | **$280,000** | **$140,000** | **$420,000** |

So the known traced holdings are:

- **Separate property value: $280,000**
- **Marital property value: $140,000**

The $280,000 separate value belongs to Evan as separate property. It is not divided as marital property, though it may be relevant to overall offsets if Evan receives the physical crypto assets.

---

# 5. Mira’s one-half share of known marital crypto

Known marital crypto value = **$140,000**.

Ordinary division gives each spouse one-half:

\[
\frac{1}{2} \times \$140,000 = \$70,000
\]

Mira’s one-half share of the **known marital crypto** is therefore:

> **$70,000**

This is a value claim. The court may satisfy it by awarding Mira some crypto, cash, or an equalization credit, depending on the overall property division.

---

# 6. Provisional classification of the second 40-ether wallet

The second wallet contains:

- **40 ETH**
- Valuation-date value: 40 × $3,000 = **$120,000**

Evan omitted this wallet from his sworn disclosure. Tax records show the 40 ETH arrived during marriage from an external address. Evan claims his brother gave it to him, but he has not produced:

- exchange statements,
- donor wallet records,
- gift message or written gift evidence,
- brother testimony,
- source-of-funds records,
- or other records proving donor intent and transaction source.

Under the supplied law, property found in an undisclosed wallet during marriage is **presumptively marital** unless the holder traces a separate source. A claimed gift requires proof of both:

1. **donor intent**, and  
2. **transaction source**.

A family relationship and a bare assertion that “my brother gave it to me” are not enough.

Therefore, the 40 ETH should be treated as:

> **Provisionally marital**, unless and until Evan produces clear records tracing a separate-source gift or other separate exception.

If Evan later proves a separate-source gift, the proven separate portion would be reclassified. But under the current record, the presumption of marital character applies.

---

# 7. Mira’s share and possible concealment surcharge if the second wallet is marital and concealment was intentional

If the 40 ETH is marital and Evan intentionally concealed it in a sworn disclosure:

## A. Ordinary marital division

40 ETH value = **$120,000**

Mira’s ordinary one-half share:

\[
\frac{1}{2} \times \$120,000 = \$60,000
\]

## B. Concealment surcharge

The supplied rule permits a surcharge equal to **20% of the concealed marital property’s value**.

\[
20\% \times \$120,000 = \$24,000
\]

## C. Total attributable to the second wallet

| Component | Amount |
|---|---:|
| Ordinary marital half | $60,000 |
| Concealment surcharge | $24,000 |
| **Total to Mira from second wallet** | **$84,000** |

The practical effect is that, if the 40 ETH remains with Evan, he would owe Mira **$84,000** with respect to that asset. If the 40 ETH is awarded to Mira, Evan would retain a **$36,000** offset as his residual share of that asset.

## D. Combined with the known marital crypto

| Category | Marital value | Mira’s ordinary half | Surcharge | Total to Mira |
|---|---:|---:|---:|---:|
| Known crypto | $140,000 | $70,000 | — | $70,000 |
| Second 40 ETH wallet | $120,000 | $60,000 | $24,000 | $84,000 |
| **Total provisional marital crypto** | **$260,000** | **$130,000** | **$24,000** | **$154,000** |

So if the second wallet is marital and concealment is intentional, Mira’s total crypto-related claim would be:

> **$154,000**

Evan’s separate known crypto value remains **$280,000**, and his net share of the provisional marital crypto after the surcharge would be **$106,000**.

---

# 8. Exact exchange, wallet, and donor evidence still needed

Mira should not assume the source of the 40 ETH. The missing records are the core of the case.

## A. Exchange and transaction records for the 40 ETH

The following should be produced or subpoenaed:

1. **Blockchain transaction data**
   - Source address(es) that sent the 40 ETH.
   - Destination address(es) in the second wallet.
   - Transaction hash(es).
   - Block height(s) and timestamp(s).
   - Exact amount received, including fees and UTXO inputs/outputs.
   - Any subsequent transfers from the second wallet.

2. **Exchange, OTC, custodial, or broker records**
   - If the source address is linked to an exchange or custodian:
     - account registration records;
     - KYC/identity records;
     - IP and login metadata;
     - fiat funding records;
     - bank account records used to fund the purchase;
     - trade tickets or purchase records;
     - withdrawal records showing the 40 ETH left the exchange;
     - account statements covering the relevant period.
   - If the source address is linked to an OTC desk or private dealer:
     - trade agreement;
     - wire records;
     - payment records;
     - dealer statements.

3. **Decentralized transaction records, if applicable**
   - DEX swap logs;
   - liquidity pool events;
   - router transactions;
   - gas-paying addresses;
   - MEV or transaction bundling records;
   - any mixer or privacy-service transactions.

4. **Tax records**
   - Evan’s tax returns and schedules reporting the 40 ETH, including Form 8949/Schedule D or equivalent.
   - Cost-basis records, if any.
   - Records showing whether Evan reported the receipt as a purchase, gift, or other event.

## B. Wallet and custody records

The following wallet-related records are needed:

1. **All wallet addresses controlled by Evan**
   - Second wallet address(es).
   - Original wallet address(es).
   - Cold wallet address(es).
   - Any other addresses linked to the 40 ETH source or destination.

2. **Wallet metadata**
   - Wallet creation date.
   - Labels, notes, or descriptions.
   - Software, hardware wallet model, or service provider.
   - Associated email address or account, if any.
   - Device or server associated with the wallet.

3. **Custody and control records**
   - Who controls the private key or seed phrase.
   - Whether Evan has exclusive access.
   - Whether any third party, including the brother, had access.
   - Any transfer of key control.

4. **Complete transaction history**
   - All transactions for the second wallet.
   - All transactions for any source address identified by the forensic tracing.
   - All transactions linking the second wallet to known wallets, exchanges, banks, or third parties.

5. **Preservation and forensic imaging**
   - Preservation of relevant devices, wallet files, screenshots, and metadata.
   - If necessary, court-supervised forensic examination of devices or wallet files.
   - A protective order can be used to limit disclosure of private keys or sensitive login data while still permitting verification of custody and control.

## C. Donor and brother records

Evan’s gift claim requires proof of both donor intent and transaction source.

Mira should seek:

1. **Donor identification**
   - Full identity of the brother.
   - Whether the brother is available for deposition or testimony.
   - Whether the brother controlled the source address.

2. **Brother’s wallet records**
   - All wallet addresses used by the brother.
   - Transaction history showing the brother acquired, held, and sent the 40 ETH.
   - Any wallet labels or metadata linking the brother to the source address.

3. **Brother’s exchange and bank records**
   - Exchange account records showing how the brother acquired the 40 ETH.
   - Bank records showing the source of funds used by the brother.
   - Withdrawal records showing the 40 ETH moved from the brother’s account or wallet to Evan’s second wallet.

4. **Gift-intent evidence**
   - Gift letter.
   - Signed gift agreement.
   - Email, text, or other contemporaneous message showing the transfer was a gift.
   - Family communications discussing the transfer.
   - Testimony from the brother or Evan.
   - Any valuation or delivery instructions tied to the transfer.

5. **Donor tax records**
   - Brother’s gift tax return, if applicable, such as Form 709.
   - Gift ledger or donor records.
   - Tax filings showing the brother treated the transfer as a gift.

If these records do not exist, Evan’s gift claim fails. The 40 ETH remains presumptively marital.

---

# 9. Recommended targeted forensic discovery

Mira should seek a **targeted forensic order**, not a broad financial audit, focused on the second wallet and the 40 ETH.

A proper order should require Evan to:

1. **Preserve** all records, devices, wallet files, and communications relating to:
   - the second wallet;
   - the 40 ETH;
   - the external source address;
   - the brother’s alleged gift;
   - tax records concerning the 40 ETH.

2. **Produce within a set deadline**:
   - all wallet addresses connected to the 40 ETH;
   - all transaction hashes and blockchain data for the 40 ETH;
   - all exchange, OTC, custodial, or broker records for the source address;
   - all bank or funding records tied to the source address;
   - all tax records concerning the 40 ETH;
   - all records showing who controls the second wallet;
   - all gift documents and communications concerning the brother’s alleged transfer.

3. **Permit forensic tracing**:
   - Allow a blockchain forensic expert, either court-appointed or retained by Mira, to trace the 40 ETH’s UTXO lineage.
   - Require identification of the source address and any intermediate addresses.
   - Require attribution of the source address to an exchange, OTC desk, brother, or other person, if possible.

4. **Subpoena third parties as needed**:
   - Exchange or custodian records if the source address is exchange-related.
   - Brother’s exchange, bank, or wallet records if the source address is attributed to him.
   - OTC or payment-provider records if the source address is linked to a private dealer.

5. **Set consequences for noncompliance**:
   - If Evan fails to produce records after a targeted order, the court may treat the 40 ETH as marital.
   - The court may draw an adverse inference.
   - The court may award the 20% concealment surcharge if intentional concealment is supported.
   - The court may award fees or sanctions for bad-faith discovery conduct.

Evan’s claim that wallet-to-wallet transfers are “too technical” is not a valid reason to avoid tracing. Blockchain transactions are public, and modern forensic tools can trace address lineage. The problem is not impossibility; it is Evan’s failure to provide records that identify the source and intent.

---

# 10. Whether to accept $50,000, settle conditionally, or seek forensic discovery

## A. Evan’s $50,000 offer is inadequate

Compare the offer to the plausible values:

| Scenario | Mira’s potential value |
|---|---:|
| Known crypto only, second wallet ultimately separate | $70,000 |
| Known crypto + second wallet ordinary marital division, no surcharge | $130,000 |
| Known crypto + second wallet + 20% concealment surcharge | $154,000 |
| Evan’s offer | **$50,000** |

Even under Evan’s best-case position, where the 40 ETH is somehow proven separate, Mira is still owed at least **$70,000** on the known marital crypto. The $50,000 offer is therefore below the minimum known marital claim.

If the second wallet is marital, the offer is dramatically low:

- Without surcharge: **$80,000 below** the ordinary claim.
- With surcharge: **$104,000 below** the full claim.

## B. Do not accept $50,000 as a final release

Mira should not accept $50,000 for “all cryptocurrency claims” because it would release:

- the second 40 ETH wallet;
- any surcharge;
- any tracing evidence still to be developed;
- and potentially other undisclosed crypto assets.

## C. Seek targeted forensic discovery before final division

The proper next step is to seek targeted forensic discovery before any final settlement. This is required by the supplied rule that counsel must identify missing exchange, wallet, and donor records before final settlement and may seek a targeted forensic order rather than assume the source.

Mira should not allow the case to settle on the assumption that the 40 ETH is separate, nor should she allow Evan to escape classification simply because tracing is technically complex.

## D. Conditional settlement is acceptable only with strong protections

A conditional settlement could be appropriate if Evan wants certainty, but only if it includes terms such as the following:

1. **Full production deadline**
   - Evan must produce all identified exchange, wallet, donor, and tax records within a set period.

2. **Independent forensic tracing**
   - The second wallet and 40 ETH must be traced by a neutral or agreed forensic expert.
   - Evan must cooperate with the tracing process.

3. **Preservation of the surcharge claim**
   - The settlement must not waive the 20% concealment surcharge.
   - If the records show intentional concealment, the surcharge must apply.

4. **Floor for known marital crypto**
   - The settlement must guarantee at least **$70,000** for the known marital crypto.

5. **Default classification if source is not traced**
   - If Evan cannot trace a separate source or prove a gift, the 40 ETH must be treated as marital.
   - If concealment is intentional or stipulated, the surcharge must be paid.

6. **Payment before release**
   - Any settlement funds should be paid or escrowed before Mira signs a final release.
   - A release should not be given until tracing is complete and payment is made.

7. **Costs and expert fees**
   - Evan should be responsible for forensic tracing costs if he cannot substantiate the gift claim.

A possible conditional structure would be:

- Evan pays Mira **$70,000** for the known marital crypto.
- If the 40 ETH remains untraced or is found marital, Evan pays Mira an additional **$84,000** for the second wallet, including the 20% surcharge.
- If Evan proves the 40 ETH was a separate-source gift, the second-wallet claim is adjusted accordingly, but the known marital claim remains.

Without those protections, the case should proceed to targeted forensic discovery and, if necessary, trial.

---

## Final recommendation

Mira should:

1. **Reject the $50,000 offer.**
2. **Treat the known crypto as $280,000 separate / $140,000 marital.**
3. **Treat the second 40 ETH wallet as presumptively marital for now.**
4. **Seek a targeted forensic order to compel production of exchange, wallet, source, and donor records.**
5. **Require tracing of the 40 ETH before any final release.**
6. **If the 40 ETH remains untraced and concealment is intentional, claim $60,000 ordinary division plus $24,000 surcharge, for a total crypto claim of $154,000 including the known marital crypto.**