Research corpus Storage and networksBLC-STUDY-0588

snap/2 - BAL-Based State Healing

EIP 8189, snap/2 - BAL-Based State Healing. This EIP upgrades the snap protocol from version 1 to version 2, removing GetTrieNodes (0x06) / TrieNodes (0x07) and adding GetBlockAccessLists (0x08) / BlockAccessLists (0x09) to enable BAL-based state healing during snap sync.

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Record

Authors: Toni Wahrstätter , Gary Rong
Date: 2026
Publisher: Toni Wahrstätter , Gary Rong
Version: Source cited by the 2026 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0588
DOI: None recorded
Last reviewed: 1 October 2026
Licence: No licence recorded. Rights status under review.

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Where to read

Official source — EIP 8189
Blockchain Lab study, the canonical readingOriginal commentary. Not a transcription of the paper.

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What changed

Status in the source: Review. A reading of the public specification, not a copy of it and not a certification.

Relationships

Canonical readingEIP 8189 study
Related paperFilecoin
Related paperArweave
Related paperIPFS

Cite this record

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Author–date

Wahrstätter, T., & Rong, G. (2026). snap/2 - BAL-Based State Healing. Toni Wahrstätter , Gary Rong. https://eips.ethereum.org/EIPS/eip-8189

BibTeX

@techreport{eip81892026,
  title = {snap/2 - BAL-Based State Healing},
  author = {Toni Wahrstätter , Gary Rong},
  year = {2026},
  institution = {Toni Wahrstätter , Gary Rong},
  url = {https://eips.ethereum.org/EIPS/eip-8189},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/eip-8189}
}

RIS

TY  - RPRT
TI  - snap/2 - BAL-Based State Healing
AU  - Toni Wahrstätter
AU  - Gary Rong
PY  - 2026
PB  - Toni Wahrstätter , Gary Rong
UR  - https://eips.ethereum.org/EIPS/eip-8189
N1  - Rights status: Official external source only
ER  -

CSL-JSON

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  {
    "type": "report",
    "id": "BLC-STUDY-0588",
    "title": "snap/2 - BAL-Based State Healing",
    "author": [
      {
        "literal": "Toni Wahrstätter"
      },
      {
        "literal": "Gary Rong"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2026
        ]
      ]
    },
    "publisher": "Toni Wahrstätter , Gary Rong",
    "URL": "https://eips.ethereum.org/EIPS/eip-8189",
    "note": "Rights status: Official external source only. Not a licence to republish the paper."
  }
]

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Rights record

Source status: Official source
Use status: Metadata and commentary only. The reading is the study page.
Rights: Official external source only
Training and retrieval: Not permitted from this site. There is no rights-cleared full text to retrieve or to train on.

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