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Polkadot plans major upgrade with JAM to replace Relay Chain by 2026, shifting to a flexible distributed computing system.

Protocol Fundamentals
21 Oct 2026
Blockonomi
View Source
Bullish
Polkadot plans major upgrade with JAM to replace Relay Chain by 2026, shifting to a flexible distributed computing system.

Polkadot is preparing to replace its current Relay Chain with a new system called JAM (Join-Accumulate Machine) by September 2026. JAM aims to transform Polkadot from a blockchain network focused on parachains into a more flexible distributed computing platform, allowing various computational services to run on shared infrastructure. This upgrade involves a complete architectural redesign rather than a simple performance boost, with a gradual migration plan to ensure network stability. The change also aligns with Polkadot's new economic model, including a capped DOT supply and more flexible resource allocation, potentially increasing demand for Polkadot's infrastructure.

Polkadot's upcoming major upgrade is noted here with Pluang's market data as of Oct 21, 2026 16:31 WIB. Among 50 major cryptocurrencies priced on Pluang, 45 rose and 4 fell today. Notable movers include COMP (Compound) at Rp452.131 with a 17.54% increase and a typical hold time of 98 days, BAL (Balancer) at Rp16.297 up 11.14%, and SXP (Solar) at Rp37 down 46.27%.

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