Playbooks for the case you are actually in
What Hash XR’s playbooks cover
Hash XR builds tailored playbooks for firms whose chain apps have a concrete risk to close. The set spans access and identity, data moves, contract upgrades, token swaps, monitoring, signature design, flash-loan defenses, and related work.
Access and Identity Management (AIM)
Access and identity sit on the critical path for the whole life of a project. Stolen keys or roles can end it. Axie Infinity lost US$600 million after a hole in validator-node access. Hash XR can design IAM controls that match how you actually operate.
Smart Contract Upgrades
Proxy-plus-implementation is the usual upgrade shape today. Hash XR audits the upgraded logic and stays on the call for a clean cutover. A botched upgrade creates new holes — Nomad’s defect cost US$150 million.
Data Migration
Moving state from one system to another is a regular ask. Done well, the cutover is quiet and users keep — or gain — a workable product. Hash XR covers the full migration path.
Emergency Responses
Hash XR watches the data plane and writes an incident plan against our risk-control stack. When something breaks, we use monitoring, analysis, coordination, handling, and asset-protection systems to cut the loss — then add controls so the next hit is harder.
The technical surface of Hash XR’s playbooks
Playbooks for permission control
Permission architecture
Revoke and restore rights
Wrap and move rights
Day-to-day permission control
Playbooks for application data
Active data move
Passive data move
Data upgrade
Data destruction
Data rollback
Watching and reading application data
Data statistics
Data purge
Data analysis
Data induction
Recurring data reports
Playbooks for tokens
Holder snapshot
Targeted airdrop plans
Issuance plans
Safer transfers
Swap / upgrade plans
Playbooks against flash loans
Anti-flash-loan controls
Oracle use
Incident response plans
Limit unsafe cross-block moves
Limit unsafe contract moves
Playbooks for signatures
Signature scheme design
Choosing a signature standard
Signature verification
Signatures that block replays
Playbooks for contract upgrades
Can this upgrade be done safely?
Which upgrade technique
Who may upgrade
Upgrade function work
Upgrade / roll back
Incident response plans
Watch and alert
Run the response plan
Attack read and harden
Trace stolen assets
Restore the system
Further playbooks……
Further playbooks……
How we work
Scoping talk
assessment
Proposal
Design and build
Handover