New Bitcoin Transaction Model Draft Released
The proposed design allows users to share a single output, but currently lacks an activation schedule.
Updated on Oct. 16, 2026 in Financial Planning
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Bitcoin developer Olaoluwa Osuntokun has introduced a draft proposal for a new transaction model that would allow multiple users to share a single output. The design utilizes off-chain tree structures to manage balances, though it requires an unproposed Bitcoin opcode to function.
Why it matters
This model aims to change how users interact with the Bitcoin network by enabling collective transaction outputs, potentially altering data management for balances. Because the proposal remains in a draft stage without a set activation schedule, it does not currently impact active financial planning.
The draft includes 3,019 executable checks for a system capable of supporting 65,536 slots in a depth-16 tree. Estimated exit sizes range from 541 vB for 65,536 members to roughly 1,030 vB for solo participants.
The players
Olaoluwa Osuntokun
A developer who works on Bitcoin infrastructure and network protocols.
The details
The proposed mechanism functions by committing off-chain tree structures to a shared Bitcoin transaction output. Each participant's balance is assigned a specific slot within these trees, allowing users to prove their holdings or exit the arrangement through specific update transactions. The design relies on the theoretical opcode OP_MERKLESUMUPDATE to handle the complex validation of these tree structures within the network.
Timeline
- 2026-10-15
Developer Olaoluwa Osuntokun released the draft design.
Money Landscape
This proposal functions as a theoretical exploration of network efficiency rather than a standard update to the Bitcoin network. It follows a trend of developers drafting new methods to optimize how user balances are committed to the underlying blockchain architecture.
There are no immediate actions for current Bitcoin holders as this remains an early-stage proposal without an activation date. Future developments regarding the required opcode should be monitored if they move toward official network adoption protocols.
The takeaway
This draft outlines a potential future method for handling shared transaction outputs on the Bitcoin network. Readers should treat this as a technical experiment and consult with a financial professional before making decisions based on speculative network changes.
Further reading
For more on managing digital assets, see our guide to Financial Planning.
Source note: This article includes information reported by TokenPost.
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