What a Collateral-Pledged Loan Is

A collateral-pledged loan allows a miner to pledge crypto assets—typically BTC or other supported coins—as collateral and borrow USDT against that collateral. The borrowed USDT can be used for operating expenses such as electricity, hosting fees, or equipment repairs, while the pledged asset remains on the platform rather than being sold. If the borrower repays the outstanding principal, accrued interest, and any applicable fees before liquidation occurs, the remaining pledged collateral can be redeemed.

This differs from selling coins outright. A sale converts the amount sold into liquid proceeds and ends future price exposure on that portion. Borrowing against collateral retains exposure to the pledged asset's price while introducing a new set of obligations: interest expense, an outstanding debt balance, and a defined loan-to-value (LTV) threshold beyond which the platform may liquidate the collateral. Neither approach is inherently superior; the choice depends on a miner's cash-flow timing, expectations about coin price, and tolerance for liquidation risk.

Why Miners Consider Borrowing Instead of Selling

Mining operations incur recurring cash costs—electricity, hosting, maintenance, and occasionally equipment upgrades—while revenue arrives in BTC through pool payouts. When a miner does not want to sell BTC at a given time, a loan against existing holdings can provide near-term USDT liquidity while preserving exposure to the pledged asset. The trade-off is that the miner takes on interest expense and must manage LTV throughout the life of the loan.

This makes collateral-backed borrowing primarily a liquidity-management tool rather than a way to increase mining revenue. The useful question is whether the operation has a defined funding need and a realistic repayment plan, not whether BTC is expected to rise.

How ViaBTC Collateral-Pledged Loans Work

ViaBTC's Collateral-Pledged Loans currently support BTC, BCH, LTC, and DOGE as collateral assets, with USDT as the loan currency. The minimum loan size is 50 USDT per transaction, there is no fixed maximum independent of collateral value, and there is no fixed loan term; a borrower may repay at any time provided forced liquidation has not already occurred (ViaBTC Help Center).

The basic workflow is straightforward:

1. Add supported collateral to the loan position.
2. Enter the desired USDT loan amount, subject to available borrowing capacity.
3. Receive the USDT in the account after the loan is approved.
4. Use the funds for the intended operating need.
5. Monitor outstanding debt, collateral value, and Current LTV.
6. Repay in USDT, or authorize the platform to sell pledged collateral for repayment.
7. If debt remains outstanding, withdraw collateral only when the position satisfies ViaBTC's Initial LTV withdrawal rule; after the debt is fully settled, the remaining collateral can be redeemed.

As of September 4, 2026, ViaBTC's loan page displays a standard APR of 9.9% for USDT loans (ViaBTC Collateral-Pledged Loans). This is a current product parameter rather than a permanent rate. ViaBTC may adjust rates and other risk parameters under its published rules, and the rate actually applicable to an account may also reflect any eligible preferential terms or loan interest discounts. Borrowers should therefore confirm the live rate shown on their account before opening a loan (ViaBTC Crypto Loans User Agreement).

Interest, Collateral Value, and LTV

Interest is calculated using daily simple interest. Any partial day counts as a full day, and one day of interest accrues immediately when the loan is issued. Thereafter, interest accrues daily at 00:00 UTC on the outstanding principal. The formula is:

Daily Interest = Outstanding Principal × APR / 365

Collateral value and Current LTV follow separate formulas:

Collateral Value = Collateral Amount × Coin Price × Discount Rate
Current LTV = Total Debt / Collateral Value × 100%

ViaBTC also defines an Initial LTV:

Initial LTV = Maximum Loanable Value / Current Collateral Value

Initial LTV is a platform-defined ratio used to determine borrowing capacity and collateral-withdrawal limits. It should not be confused with the Current LTV immediately after a borrower chooses a particular loan amount.

The discount rates currently displayed for LTV collateral valuation are 100% for BTC and 95% each for BCH, LTC, and DOGE (ViaBTC Collateral-Pledged Loans). Because Total Debt includes both principal and accrued interest, Current LTV can rise over time even if the market price of the pledged asset does not change.

Liquidation thresholds are tiered by Total Debt under currently published rules: 96% LTV when Total Debt is at or below 10,000 USDT, 95% when Total Debt is above 10,000 USDT and at or below 50,000 USDT, and 94% when Total Debt exceeds 50,000 USDT. If Current LTV reaches the applicable threshold, ViaBTC may automatically sell collateral to repay the debt and charges a 2% liquidation fee (ViaBTC Help Center).

The discount rate used for ongoing LTV calculation does not apply when pledged collateral is sold for repayment or forced liquidation. In those cases, settlement is based on the actual proceeds from selling the collateral assets.

A Simple Illustrative Calculation

The following example demonstrates the mechanics only; it is not a forecast of BTC price, mining revenue, or the timing of any liquidation event.

Assume a borrower takes a 9,000 USDT loan at a 9.9% APR against 20,000 USDT of discounted collateral value and keeps the position open for 30 billable interest days:

• Principal-to-collateral ratio at draw: 9,000 / 20,000 × 100% = 45%
• First day of interest, charged immediately: 9,000 × 9.9% / 365 ≈ 2.44 USDT
• Current LTV after that first day's interest: 9,002.44 / 20,000 × 100% ≈ 45.01%
• Interest over 30 billable days: 9,000 × 9.9% / 365 × 30 ≈ 73.23 USDT
• Total Debt after 30 billable days: 9,073.23 USDT
• Current LTV after 30 billable days, assuming collateral value is unchanged: 9,073.23 / 20,000 × 100% ≈ 45.37%

Because Total Debt remains below 10,000 USDT in this example, the applicable published liquidation LTV remains 96%. At a Total Debt of 9,073.23 USDT, a 96% LTV would correspond to discounted collateral value of approximately 9,451.28 USDT:

9,073.23 / 0.96 ≈ 9,451.28 USDT

In practice, both sides of the ratio can move at the same time: interest increases Total Debt while changes in the pledged asset's market price affect Collateral Value. A static example is therefore useful for understanding the formula, but it should not be treated as a prediction of how quickly a live position may approach a risk threshold.

Monitoring and Managing LTV

Borrowers should monitor Current LTV, outstanding debt, accrued interest, and collateral value while a loan remains open. ViaBTC documents an Auto Pledge feature that can transfer eligible assets from the mining-account balance into collateral when Current LTV reaches the Margin Call LTV, with the aim of reducing Current LTV back to the Initial LTV (ViaBTC Crypto Loans Operation Guide).

Auto Pledge is a configurable risk-management tool rather than a guarantee against liquidation. Its effectiveness depends on whether sufficient eligible assets are available when the trigger is reached and on the platform's current rules. A rapid decline in collateral value may also change LTV faster than a borrower expects.

For a mining operation, repayment planning should be based on realistic cash flow rather than treating future pool payouts as fixed income. Mining payouts can vary with hashrate, network difficulty, pool performance, payment method, and other factors, so expected mining revenue should not be treated as guaranteed debt-service cash flow.

Repayment and Collateral Redemption

Repayment can be made directly in USDT, or a borrower can authorize the platform to sell pledged collateral and use the proceeds for repayment. Once the debt is fully settled, any remaining collateral can be released according to the platform's current rules.

While debt remains outstanding, partial collateral withdrawal is more restricted. ViaBTC states that collateral may be withdrawn only when Current LTV is below Initial LTV, and the withdrawal must not cause Current LTV to exceed Initial LTV. If a requested withdrawal would push the ratio above Initial LTV, the withdrawal is not permitted (ViaBTC Help Center).

Risks and Factors to Review Before Borrowing

A collateral-pledged loan changes the structure of a miner's financial exposure; it does not remove risk.

Liquidation risk. A decline in the market price of the pledged asset, an increase in debt from accrued interest, or both together can raise Current LTV toward the applicable liquidation threshold. If liquidation occurs, collateral may be sold automatically to repay the debt and a 2% liquidation fee applies.

Mining cash-flow risk independent of the loan. Borrowing supplies near-term liquidity but does not itself generate mining revenue. Electricity costs, hosting fees, pool fees, unplanned downtime, and equipment repairs still need to be evaluated against realistic expectations for mining payouts and asset prices.

Platform and counterparty risk. ViaBTC's user agreement discloses risks associated with crypto-market volatility, transaction counterparties, technical failures, connectivity interruptions, security events, and changes in applicable law. It also allows the platform to adjust valuation methods and risk parameters under its published rules, so figures cited in this article may change after publication.

Eligibility and jurisdiction. Access to the loan product is subject to ViaBTC's account requirements and applicable legal restrictions. The service may not be available in every jurisdiction, and this article does not confirm eligibility for any specific country or user.

Favorable price movement does not remove these risks. Appreciation in the pledged asset may reduce Current LTV, but it does not eliminate borrowing costs or replace the need for a repayment plan.

Conclusion

Collateral-pledged loans give miners a way to access USDT liquidity for operating expenses without immediately selling pledged coins, but the trade-off is a debt obligation with interest cost and liquidation mechanics. Current LTV can rise because collateral value falls, because interest increases Total Debt, or because both happen at the same time.

Before pledging assets, miners should review ViaBTC's live APR, collateral discount rates, LTV thresholds, withdrawal rules, and user agreement, then evaluate the loan against a defined funding need and a realistic repayment plan rather than relying on an assumption about future coin price.

Is a collateral-pledged loan the same as selling coins for cash?

No. Selling converts the amount sold into liquid proceeds and ends future price exposure on that portion. A collateral-pledged loan keeps exposure to the pledged asset's price while adding a debt obligation, interest cost, and liquidation risk tied to Current LTV.

What happens if the value of my pledged collateral falls?

A decline in the market price of the pledged asset reduces Collateral Value, which raises Current LTV if Total Debt does not fall at the same time. If Current LTV reaches the applicable liquidation threshold, the platform may automatically sell collateral to repay the outstanding debt, and a liquidation fee applies.

Does interest accrual affect my LTV even if the price doesn't move?

Yes. Total Debt in the Current LTV formula includes accrued interest as well as principal, so Current LTV can increase over time from daily interest accrual even if the collateral price is unchanged.

Can I withdraw my collateral before repaying the loan in full?

Only within ViaBTC's withdrawal limits. While debt remains outstanding, Current LTV must be below Initial LTV before collateral can be withdrawn, and the withdrawal must not cause Current LTV to exceed Initial LTV. Once the debt is fully settled, the remaining collateral can be redeemed under the current product rules.

Are the interest rate and liquidation thresholds fixed permanently?

No. The displayed APR, discount rates, liquidation LTV tiers, and other product parameters may be adjusted under ViaBTC's published rules. Borrowers should check the live loan page and current agreement before opening or managing a position.

References

• ViaBTC, "Collateral-Pledged Loans": https://www.viabtc.com/en/finance/loan
• ViaBTC Help Center, "Introduction to Collateral-Pledged Loans": https://support.viabtc.com/hc/en-us/articles/7207389431311-Introduction-to-Collateral-Pledged-Loans
• ViaBTC Help Center, "Crypto Loans Operation Guide": https://support.viabtc.com/hc/en-us/articles/7207443808783-Crypto-Loans-Operation-Guide
• ViaBTC Help Center, "FAQ of Collateral-Pledged Loans": https://support.viabtc.com/hc/en-us/articles/7207415907855-FAQ-of-Collateral-Pledged-Loans
• ViaBTC Help Center, "ViaBTC Crypto Loans User Agreement": https://support.viabtc.com/hc/en-us/articles/13713956582031-ViaBTC-Crypto-Loans-User-Agreement