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Startup Deep Dive : Bitbns — the bootstrapped exchange that hid a $7.5M hack for 13 months

In February 2022, attackers pulled roughly $7.5 million (about ₹72 crore at $1 ≈ ₹96.0) out of Bitbns, one of India’s oldest home-grown crypto exchanges. The people who mattered most — the traders whose coins sat on the platform — were told something very different: the service was down for “system maintenance.” They would not learn what actually happened for roughly 13 months, and only then because an independent on-chain investigator pieced the trail together and posted it publicly.

That gap between what happened and what users were told is the sharpest way to understand Bitbns. It is a bootstrapped company that scaled to millions of accounts on almost no outside money, that out-survived a tax regime designed, in effect, to strangle its industry, and that has repeatedly chosen its own read of a situation over the disclosure its customers might have wanted. This is how it was built, how it earns, and where the risks still sit.

Quick facts

Company Bitbns (a product brand of Buyhatke Internet Private Limited)
Founded Platform went live 14 December 2017, Bengaluru
Founders Gaurav Dahake (CEO), Prashant Singh (CTO), Srikanth Sethumadhavan (front-end)
Businesses Crypto exchange: spot and futures trading, P2P USDT, Bitdroplet (crypto SIP), Fixed Income Plans, BNS utility token
Legal entities Buyhatke Internet Pvt Ltd (CIN U74900KA2015PTC079542, incorporated 27 March 2015); Bitbns Internet Pvt Ltd (CIN U72900KA2020PTC136592, incorporated 28 July 2020)
Latest FY revenue Buyhatke Internet Pvt Ltd reported under ₹10 crore for FY25 (Tracxn, registrar-based); Bitbns-only audited P&L is not public
Funding / valuation Largely bootstrapped; reported total $490K–$980K (Tracxn / PitchBook); no confirmed unicorn valuation
Users (company-stated) 4 million+ registered accounts
Status / CEO Private; FIU-IND registered; CEO Gaurav Dahake

What Bitbns does

Bitbns is a Bengaluru-based cryptocurrency exchange aimed at retail Indian investors. It lets users buy, sell, hold and trade digital assets in rupees and in stablecoins, and it wraps that core with a set of savings-style products meant to keep money on the platform. The main things a customer can do:

The origin

Bitbns did not start as a first idea. Its founders, Gaurav Dahake and Prashant Singh, are IIT Kharagpur graduates who had already built BuyHatke, a price-comparison service run under Buyhatke Internet Private Limited, incorporated on 27 March 2015. Dahake’s earlier ventures included a clean-energy attempt and a push-notifications tool. In other words, the crypto exchange was a pivot inside an existing internet company, not a clean-sheet startup.

The insight was timing plus a gap. Through 2017, as the first big retail crypto cycle drew Indians in, Dahake noticed the same thing many founders did: demand was climbing, but the number of usable, India-facing exchanges was small. Bitbns went live on 14 December 2017, near the top of that cycle, with a third co-founder, Srikanth Sethumadhavan, on the front end. The name is a compression of “Bit Buy and Sell.” The wager was simple — Indians would trade crypto if someone gave them a rupee on-ramp and enough coins to choose from — and Bitbns leaned into breadth of listings as its wedge from the start.

The struggle years

Almost nothing about Bitbns’s timeline was smooth. It launched weeks before the market turned, then spent years absorbing shocks that came from regulators, from the market, and from its own security. The hardest stretches, in order:

First, the crash. Bitbns opened in December 2017; within months the 2018 bear market had gutted volumes across every Indian exchange. Then came the regulatory freeze. In April 2018 the Reserve Bank of India barred banks from serving crypto businesses, cutting the entire sector off from the banking system. Indian exchanges spent roughly two years operating under that shadow — routing around it with peer-to-peer rails — until the Supreme Court struck the RBI circular down in March 2020. Bitbns survived the banking ban the way it survived most things: by staying small, cheap to run, and not dependent on a war chest it did not have.

Then came the security failure that still defines the company’s reputation. In February 2022 the platform went dark, described publicly as “system maintenance.” In reality, per later reporting, attackers had drained about $7.5 million, moving funds through Ethereum addresses after price and withdrawal anomalies appeared on tokens including Polygon, BNB and Aave. Users were not told. The breach only surfaced around March 2023, when on-chain investigator ZachXBT alleged the exchange had covered up a hack “under the guise of a system maintenance.” Co-founder Dahake went on YouTube to respond, calling it a “small incident” and saying most big exchanges had seen similar events — a framing that did little to settle the core complaint: customers had been kept in the dark for roughly 13 months.

The turning point

The single event that reshaped Bitbns’s economics was not a funding round or a product — it was a tax. On 1 July 2022 India’s 1% tax deducted at source (TDS) on crypto transfers took effect, on top of a flat 30% tax on gains introduced that April. For an industry built on frequent trading, a 1% cut on every transaction was close to a kill switch for the high-frequency and market-making activity that generated most volume.

The numbers on each side of that date are stark. In the days after the TDS began, reported trade-volume declines were severe across the sector — roughly 60% to 90% at peers such as WazirX, ZebPay and CoinDCX. Bitbns fared comparatively better in the immediate aftermath, with reported drops in the ~34% to 37% range in early July 2022. But the longer arc was brutal for everyone: industry volumes are estimated to have fallen about 90% over time, and by 2025 an estimated 72.7% of Indian crypto trading had migrated offshore to platforms outside India’s tax reach (KoinX estimate). The turning point, in short, made Bitbns’s core trading business structurally smaller — and pushed the company harder toward its stickier savings-style products.

The money behind it

Bitbns is unusual among India’s better-known crypto names for how little outside capital it took. It has consistently been described as bootstrapped, and the public funding record is thin and slightly contradictory across databases:

The honest read: Bitbns is a founder-owned business that grew on cash flow and a very light balance sheet, not on investor fuel. That is its defining financial trait — and, as the risks section notes, a double-edged one.

How it makes money

Like most exchanges, Bitbns earns primarily from the spread between what traders pay to transact and what it costs to run the venue. The published mechanics:

The part people get wrong: after July 2022, a 0.25% trading fee competes directly with a 1% government levy on the same transaction. The tax is four times the fee. That is why yield and SIP products — where money stays parked rather than churning — matter disproportionately to Bitbns’s post-2022 economics.

The numbers

This is where Bitbns is genuinely opaque, and it is worth being blunt about it: the company does not publish audited, Bitbns-only revenue and profit. The operating entity, Buyhatke Internet Private Limited, blends the exchange with the older BuyHatke price-comparison business, and registrar filings behind aggregator paywalls disclose only broad revenue bands. What can be stated with a source, unit in ₹ crore:

Financial year (Buyhatke Internet Pvt Ltd) Reported revenue band (₹ crore) Profit / loss
FY24 (ended 31 Mar 2024) Band ₹1–100 crore (Tracxn / Tofler) Not separately disclosed
FY25 (ended 31 Mar 2025) Under ₹10 crore (Tracxn); reported ~11.8% revenue growth YoY, profit down ~0.6% (registrar-based) Not separately disclosed

A few operating datapoints are firmer than the financials:

Everything precise beyond these bands is not reliably public, so it is left out rather than estimated.

Where the money comes from

Bitbns does not publish a segment or geography breakdown, so any split is directional rather than audited. What the structure of the business tells you:

The risks

Three risks stand out, each with a concrete mechanism rather than vague “market volatility”:

The takeaway

Bitbns is a case study in how far frugality and survival can carry a company — and where they stop being enough. Bootstrapping let it outlast a banking ban, a bear market and a punitive tax that flattened better-funded rivals, because it never needed the volumes its investors would have demanded. But the same instinct that made it lean — control the narrative, keep costs down, decide internally what customers need to know — is exactly what produced a 13-month silence over a $7.5 million hack. The transferable lesson is uncomfortable: in a trust business, the discipline that keeps you alive operationally can quietly destroy the one asset you actually sell. Efficiency compounds; so does a broken promise.

Frequently asked questions

Who founded Bitbns and when?

Bitbns was founded by Gaurav Dahake, Prashant Singh and Srikanth Sethumadhavan, and the platform went live on 14 December 2017 in Bengaluru. Dahake and Singh, both IIT Kharagpur graduates, had earlier built the price-comparison service BuyHatke.

Is Bitbns safe after the 2022 hack?

Bitbns suffered a roughly $7.5 million breach in February 2022 that it disclosed as “system maintenance” and did not confirm publicly until around March 2023, after on-chain investigator ZachXBT flagged it. The company says it has operated normally since. As with any exchange, that history is a reason to assess custody and disclosure practices carefully.

How much funding has Bitbns raised?

Very little by exchange standards. It is widely described as bootstrapped, with reported total funding of roughly $490K (Tracxn) to $980K (PitchBook) and no confirmed large venture round or unicorn valuation. Treat these figures as reported, not audited.

How does Bitbns make money?

Mainly from a 0.25% trading fee (reduced for users holding or paying with its BNS token), plus fees on products such as the Bitdroplet SIP and the spread earned on its Fixed Income Plans, which advertise yields up to about 13%.

How did India’s crypto tax affect Bitbns?

The 1% TDS from 1 July 2022, on top of a 30% tax on gains, sharply cut trading volumes. Bitbns’s immediate drop (~34–37%) was smaller than peers’ (~60–90%), but sector volumes are estimated to have fallen about 90% over time, with roughly 72.7% of Indian volume moving offshore by 2025.

Sources

Figures are as of September 2026. Currency converted at $1 ≈ ₹96.0 as of 18 September 2026 (Trading Economics).

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