Savings Vault

Grow your wealth, second by second

Gold Second-Interest delivers 0.66%–6.66% APY with second-by-second compounding. Real yields backed by real mining operations, not printed money.

Start earning

Gold Second-Interest

Interest that never sleeps

Traditional banks compound monthly or daily. Probe Banks compounds every second. Your wealth grows 86,400 times per day, backed by real gold mining cashflows.

0.66%–6.66%

Annual Percentage Yield

Compounding every second

How it works

Gold Second-Interest calculates and compounds your yield every second rather than daily or monthly. This means your interest earns interest 86,400 times per day, significantly boosting effective returns over traditional compounding methods.

● Yield calculated and applied every second, 24/7/365
● Backed by real mining DCF from copper-gold mining operations
● No lock-up period. Withdraw anytime with no penalty
● Transparent on-chain yield source verification via ProScan

Savings tiers

Choose your yield tier

Higher tiers unlock higher APY rates. All tiers include second-by-second compounding, no lock-up periods, and full mining DCF backing.

Standard

6.66%

APY

Second-by-second compounding
No lock-up period
Mining DCF backing
On-chain yield verification

Min. deposit: $100

Popular

Gold

15%

APY

All Standard features
Priority withdrawal processing
Enhanced mining DCF allocation
Quarterly gold report

Min. deposit: $10,000

Best value

Platinum

24%

APY

All Gold features
Direct mining equity participation
Physical gold redemption
Dedicated relationship manager

Min. deposit: $100,000

Invite only

Private Banking

36%

APY

All Platinum features
Direct mine site access
Custom treasury structuring
Private Banking-grade custody

Min. deposit: $1,000,000

Real yield, real backing

Returns backed by real mining operations

Your yield is not printed, inflated, or subsidized. It flows from the discounted cash flows of real mining operations and gold production. This is DeFi's first truly asset-backed yield.

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Mining Operations

A portfolio of 25 gold mines in Mongolia, with 500 tonnes of gold awaiting extraction. Proven reserves include 2 tonnes of refined gold and 12.5 tonnes of silver.

2T Gold + 12.5T Silver (Proven)

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Energy Infrastructure

300MW hydrogen storage and wind-mining integrated micro-grid provides sustainable energy for mining operations, reducing cost and boosting DCF margins.

300MW Integrated Micro-Grid

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DCF Flow Model

Mining revenue flows through ProbeChain's transparent settlement layer. ProScan V2.0 provides real-time audit of production, revenue, and distribution to vault depositors.

On-Chain Verified Revenue