Feasibility & rule scope
Qualify the pinned fork-table comparison, wide-balance/revert behavior, and the scope of XDC-specific rules.
- Source estimate
- 19 Nov 2026
- Depends on
- Oracle access and owner decisions
05 / WORK IN THE OPEN
xOne qualification gates, seven competitor planning references, and a source-linked opportunity backlog. Evidence defines the next step.
OUR SOURCE PLAN
These gates come from xOne’s execution plan. Dates below are that document’s estimates, not completion claims or release commitments. Each gate needs its own acceptance evidence.
The source plan starts on 16 November 2026 and applies a 1.5× calendar allowance. Dependencies, oracle access, soak time, and owner decisions can move the dates. No gate is marked qualified by this website.
Read the full source planQualify the pinned fork-table comparison, wide-balance/revert behavior, and the scope of XDC-specific rules.
Retain zero-mismatch fork-boundary replay, crash/restart/unwind evidence, and one regression per resolved finding.
Qualify authenticated bootstrap, bounded resources, supported RPC parity, and live follower restarts on the declared networks.
Prove anti-equivocation under rollback, restore, and failover; complete the declared 72-hour fault-injected devnet soak.
Verify the exact artifact, authorize each public producer test separately, and complete the mainnet follower replay and 14-day soak.
Maintain crypto inventory, threat model, pinned standards, interface options, and measured costs. Research does not establish quantum resistance.
THE WIDER FIELD
All seven external clients in xOne’s comparison are covered. Published plans, working roadmaps, release evidence, and milestone records are labelled separately.
7 client references
Direction published 8 April 2026
The 2.0 announcement sets out AOT/JIT execution and block-access-list-driven parallelism. Its architecture work combines state-root pipelining, tiered storage, and configurable retention.
Profile root computation and retained data before evaluating a compiler or parallel executor.
An announcement records intent at publication. Later releases may supersede it; no current completion state is inferred here.
Release stream reviewed 14 November 2026
Release notes document archive-history controls, database durability fixes, EVM execution improvements, and evolving network/fork support.
Treat crash recovery, retained-history contracts, and fork-boundary tests as explicit release gates.
A separate current client roadmap was not verified. These are observed release themes, not a promised future schedule.
Roadmap published 28 March 2025
The published plan explores parallel execution, compact historical data, separable RPC/txpool services, account abstraction, L2 use, and a longer-term Erigon NeXT architecture.
Evaluate hot/cold data, bounded service isolation, and dependency-aware execution as separate experiments.
This is a 2025 planning document with a 2026/27 research horizon. Its dates are historical context, not verified current milestones.
ZK article updated April 2026; releases reviewed November 2026
The ZK article sequences witness capture, stateless replay, a minimal execution binary, and proof generation. Later release notes add flat-database safeguards, archive indexing, and more zkVM targets.
Start with deterministic XDC witness replay and migration safety; proof-system integration is a separate research decision.
The article's milestone labels describe its April snapshot. Release records are a separate, newer evidence stream.
2026 plan published 19 November 2025
The maintainer plan prioritizes worst-case execution benchmarks, further sync improvements, Bonsai archive performance, and a more efficient UInt256 arithmetic stack.
Measure adversarial opcode and precompile workloads alongside ordinary replay, sync, and archive-query tests.
The source describes goals for 2026. The page does not certify whether each goal has since shipped.
Main-branch roadmap reviewed 14 November 2026
The working plan covers execution hot paths, PGO/BOLT, database I/O, caching, RPC allocations, and root computation. It records discarded experiments as well as pending and measured work.
Use small, falsifiable experiments and retain rejected optimizations when they explain a measured regression.
The file explicitly calls itself work in progress. Priority is relative urgency, not effort or a delivery date.
2026-Summer-Release milestone reviewed 14 November 2026
The milestone groups reward automation, dynamic gas-limit testing, EIP-7702 testing, epoch-penalty testing, audit work, and release documentation.
Map only approved XDC rules into fork tables and conformance vectors; retain reward and epoch-boundary regression coverage.
The milestone name is a source label. It is not evidence that all included work shipped or activated on a network.
FROM REFERENCE TO RESEARCH
These are proposed website planning items derived from the review. “Next” is a suggested priority, not an assigned sprint. They do not claim a new issue, owner, implementation, or approved delivery date.
12 proposed workstreams
Create repeatable replay and adversarial workloads with pinned inputs and a shared report format.
Publish correctness results, wall time, CPU, p50/p95/p99, RSS, disk growth, hardware, and repeat variance.
Specify which queries and consensus reads remain available under each supported retention profile.
Measure equal block ranges; prove restart, unwind, historical-query behavior, and bounded cleanup before reporting savings.
Profile root calculation and overlap independent work only where state ownership permits deterministic results.
Match roots, receipts, bloom, and gas across ordinary, conflicting, reorg, and failure workloads; reject noisy or regressing gains.
Complete declared method wiring and enforce work, range, response, and subscription budgets.
Differential method tests and reorg-aware subscriptions pass; tail latency and error rates remain within an explicitly declared workload budget.
Test interrupted writes and schema transitions rather than inferring durability from a clean restart.
A fault matrix proves canonical-head coherence, incompatible-layout refusal, recoverable upgrades, and signer-state preservation.
Pair routine replay with adversarial arithmetic, memory, storage, and precompile workloads under XDC gas rules.
Pin vectors and protocol rules; publish maximum processing times and correctness before adjusting any capacity claim.
Track approved XDC changes through reference pins, generated tables, and explicit reward/epoch-boundary vectors.
A reviewed pin update and differential corpus cover each adopted rule; Ethereum proposals alone cannot authorize XDC activation.
Evaluate bounded interfaces for state access, reorg-aware notifications, RPC service isolation, and embeddable components.
An architecture decision records ownership, backpressure, restart behavior, API compatibility, and measured overhead.
Investigate the minimum XDC execution and consensus context needed to replay a block from an explicit witness.
A prototype reproduces outputs without undeclared disk/network reads; measure witness size and generation/replay cost before selecting a prover.
Evaluate compilation and dependency-aware scheduling against the qualified sequential implementation.
Define XDC rule compatibility, deterministic conflicts, fallback behavior, portability, and complete end-to-end costs before an adoption decision.
Assess approved and proposed account behavior separately, including validation, pool limits, fees, and replay semantics.
Publish an XDC-specific design and test vectors; separate an implementation experiment from network governance and activation.
Connect source identity, artifact checks, installation, soak evidence, and rollback into one reviewable release record.
The exact packaged binary passes the declared network and recovery gates; owner authorization remains required for public producer tests.
SOURCES, NOT SHORTCUTS
Primary publisher pages and repositories were reviewed on 14 November 2026. The summaries are a planning snapshot; later releases may change them. Ethereum roadmaps inform research and do not automatically transfer Ethereum consensus rules, EIPs, gas limits, or timelines to XDC.
KEEP THE CURIOSITY GOING