Bitcoin is considered the gold standard for security in the world of cryptocurrency. It’s the most battle-tested system, the most decentralized proof-of-work system, and arguably the most secure anti-censorship tool. However, there’s one drawback that everyone agrees upon: Bitcoin isn’t fast.
Kaspa founder Yonatan Sompolinsky believes that trade-off runs deeper than most people think. In a detailed post, he argues that Bitcoin’s delay in finality isn’t just an inconvenience, it’s a structural limitation.
His solution is what he calls “Real-Time Decentralization,” or RTD. And he doesn’t frame it modestly. His claim is simple and bold: Kaspa can deliver in seconds the level of security Bitcoin reaches in about an hour.
- What Is “Real-Time Decentralization”?
- The Censorship Scenario
- Beyond Payments: DeFi and Oracle Finality
- A Challenge to Bitcoin’s Core Assumption
What Is “Real-Time Decentralization”?
To understand the argument, you have to look at how Bitcoin achieves security. In Nakamoto consensus, safety builds over time. Each new block on the chain chews a little bit more on the uncertainty factor. It is a process that gets the job done but requires patience to do so.
Blocks are normally available on a Bitcoin network every ten minutes on average. For maximum assurance, a person might want to wait 30 to 60 minutes before a particular transaction is considered set.
Sompolinsky has a unique perspective on things with Kaspa. He argues that, unlike Bitcoin, which relies on the accumulated weight of previous confirmations to secure a particular block on the network, Kaspa checks for a majority on a real-time basis.
He also draws a sharp contrast with proof-of-stake systems. In many PoS designs, validators are selected first and then decide what goes into their blocks. That sequence can open the door to manipulation. In proof-of-work, blocks are written first and then selected through competition.
He argues that this preserves stronger neutrality. In his view, RTD improves more than just speed. It strengthens censorship resistance, oracle finality, transaction confirmation, and even MEV resistance.
The Censorship Scenario
Bitcoin is often called censorship-resistant, and historically that reputation is well earned. But Sompolinsky lays out a stress scenario.
Imagine 60% of miners begin censoring certain transactions. Those transactions don’t disappear, but they can sit pending for 30 or 40 minutes. For speculative transfers, that delay might not matter. For real-world economic settlement, especially during financial stress, that delay becomes problematic.
His argument is that higher block density reduces this risk. If blocks are produced dozens of times per second, attackers with minority hash power struggle to fake majority signals.
He provides a concrete example. At fewer than 10 blocks per second, a 37% attacker has a meaningful probability of faking the majority signal. At 100 blocks per second, that probability drops dramatically.
Kaspa currently operates below 10 blocks per second. The upcoming DAGKNIGHT upgrade aims to increase that range to 25–40 blocks per second, with a long-term target of 100.
Beyond Payments: DeFi and Oracle Finality
Sompolinsky connects RTD to decentralized finance as well. He talks about real-time finalized oracle attestations, not just price feeds, but a broader stream of verified information.
In that environment, risk modeling, collateral assessment, and liquidity management improve. Faster and denser proof-of-work sampling strengthens the reliability of on-chain financial infrastructure.
He even extends the argument to network resilience. RTD, he says, improves resistance to network splits under partial synchrony conditions, scenarios that could matter during major cyber disruptions.
A Surprising On-Chain Signal Is Flashing for Bitcoin_**
A Challenge to Bitcoin’s Core Assumption
Kaspa isn’t presented as anti-Bitcoin. It’s framed as an evolution of the original design. Sompolinsky’s central claim is that decentralization does not have to come at the cost of real-time responsiveness.
If proof-of-work can maintain security at much higher block rates without degrading confirmation guarantees, that changes how people think about scalability and censorship resistance.
Bitcoin remains the benchmark. But with DAGKNIGHT on the horizon, Kaspa is positioning itself as a serious contender in redefining how proof-of-work networks operate. Now the question shifts from theory to execution. The next phase of implementation will determine whether real-time decentralization holds up under real-world conditions.
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