KALLISTI BLOCKCHAIN FORENSICS
BTC (native Bitcoin)
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Target Wallet Address
1LdRcdxfbSnmCYYNdeYpUnztiYzVfBEQeC
Report Date: 2026-06-01 · Prepared by Kallisti Blockchain Forensics
Wallet Identity · Financial Overview · Holdings · Activity Patterns · Account Structure
| Entity | 1LdRcdxfbSnmCYYNdeYpUnztiYzVfBEQeC |
| Blockchain | Bitcoin mainnet · P2PKH legacy (1xxx) |
| Account Age | 4,378 days (11.99 years) ‖ Active: 2014-05-27 22:49:42 UTC → 2026-05-23 00:41:42 UTC |
| Balance | ₿53,880.0666 |
| Total Received | ₿53,880.0666 |
| Total Sent | ₿0.00000000 |
| Net Balance | ₿53,880.0666 |
| Transactions | 260 on-chain (260 in · 0 out) · 230 counterparties |
Deep cold storage — effectively dormant since 2014. The wallet received a single large transfer at genesis and has never spent a single satoshi. This is the purest cold storage signature available on-chain: no fee activity, no UTXO management, no counterparty engagement by the controller. Whether this reflects intentional long-term holding, lost keys, or estate circumstances cannot be determined from on-chain data alone.
Genesis transfer: ₿53,880.053 — a single, round-magnitude institutional-scale transfer. All 259 subsequent transactions: 0.000005–0.00034 BTC each — classic dust-probe range. The bimodal distribution (one transaction worth $3.83B, all others worth under $25) is entirely explained by the poisoning campaign targeting a known high-value address.
The address holds 260 UTXOs: one substantive UTXO (the genesis deposit), 259 dust UTXOs from the poisoning campaign. The P2PKH (1xxx) encoding is Bitcoin's original address format, consistent with 2014-era wallets or keys generated in 2009–2013. No address reuse detected (single-address wallet). No VASP exposure. The 58 Ordinals inscription tokens held at this address were attributed externally by Ordinals inscribers — not operator activity.
Fully dormant from the controller's perspective across 4,378 days. The poisoning campaign produces a near-uniform DOW distribution (Mon 27–Sun 42 events per day), confirming automated multi-script operation without business-day constraints. Hourly peaks at 0, 7, 14, and 22 UTC indicate rotating or geographically distributed bot infrastructure. The controller has not initiated any transaction since 2014-05-27.
The wallet controller exhibits zero automation signals — a single manual deposit in 2014 followed by complete passivity. The poisoning counterparties, by contrast, display strong automation signatures: near-uniform DOW distribution over 12 years, scripted micro-amounts (5.46–5.47 satoshi dust is a common automated probe denomination), and consistent use of multiple distinct source addresses to evade single-address blacklisting.
| S1 | Blockchain.com — Bitcoin Address Explorer · www.blockchain.com/explorer/addresses/btc/1LdRcdxfbSnmCYYNde… |
| S2 | Mempool.space — Bitcoin Mempool Explorer · mempool.space/address/1LdRcdxfbSnmCYYNdeYpUnztiYzVfBEQeC |
Counterparty Map · Inflow Architecture · Outflow Architecture
Upstream · Top 5 Funders
| ID | Address | Volume in | Attribution | Risk |
|---|---|---|---|---|
| A1 | 1GLEtzJ1H2zoGrUA4RMbRJam5UJSdrk6T2 | ₿53,880.0531 | Unattributed | MEDIUM |
| A2 | bc1q8m7phsw24qgnrw5uwep6d7hd3wm8xn3jenhwjg | ₿0.00140000 | Unattributed | MEDIUM |
| A3 | 1MarsSKsv3r4hV4Dd2YbVg2jakQJDGn737 | ₿0.00100000 | Unattributed | MEDIUM |
| A4 | 144TPpnhzp37e38SAU7eWHTL6iA9b1VNpc | ₿0.00074562 | Unattributed | MEDIUM |
| A5 | 1DjD6xSkWTLjoD1kov68HX3qp8wEaD2Ptd | ₿0.00050505 | Unattributed | MEDIUM |
Downstream · Top 5 Destinations
No outbound transactions as of 23/05/2026
Operationally binary fund flow: the single genesis deposit (₿53,880.053 from 1GLEtzJ1... on 2014-05-27) constitutes 100% of the wallet balance. All 259 subsequent inflows are dust-probe transactions from 259 distinct counterparties spanning 2014–2026 — a confirmed automated address poisoning campaign, carrying no weight in fund flow analysis. The 5-hop origination trace from the primary funder is fully unattributed, all P2PKH legacy format (2013–2014 era). Hop 5 holds 70.51 BTC, suggesting the trace approaches an aggregation wallet rather than the fund source. Full origination of the ₿53,880 requires extended graph analysis beyond the 5-hop window; the primary funder (1GLEtzJ1..., first received 2013-02-01, 32 txs) is itself an intermediate relay.
Account Structure · Protocol Interactions · Threat Exposure
| Address Type | Legacy P2PKH (Pay-to-Public-Key-Hash) — 1xxx format |
| Script Encoding | P2PKH — Bitcoin's original address encoding, consistent with 2009–2014 era key generation |
| UTXO Count | 260 active UTXOs (1 substantive ₿53,880 + 259 dust from poisoning campaign) |
| Clustering | No cluster attribution — Arkham, OKLink, and WalletExplorer all return no entity label |
| Service Label | None — fully unattributed across all sources |
| VASP Exposure | None confirmed — no exchange, OTC, or custodian interaction detected in 12 years |
| Wallet Software | Unknown — legacy P2PKH consistent with early Bitcoin client (Bitcoin Core) or hardware wallet |
| Category | Status |
|---|---|
| Exchange Deposits / Withdrawals | NONE |
| DeFi / Smart Contract Interaction | NONE |
| Lightning Network Channels | NONE |
| Ordinals / Inscriptions | LIMITED 58 inscription tokens held (all externally attributed by third-party Ordinals inscribers — not operator activity) |
| Mixing / CoinJoin Services | NONE |
| Cross-Chain Bridges | NONE |
| Sanctions-Listed Address Contact | NONE |
This address holds ₿53,880.067 (~$3.83B) — one of the largest confirmed single P2PKH Bitcoin addresses globally. Zero outflows have occurred in 4,378 days since the 2014-05-27 genesis deposit. The wallet is fully unattributed across all intelligence sources. 259 of 260 total transactions are a confirmed automated address poisoning campaign from external operators; none represent activity by the wallet controller. The AML risk rating is LOW — no confirmed contamination of the wallet operator's activity — with an elevated Address Poisoning monitoring flag for the external campaign.
| CRITERION | FINDING | ASSESSMENT | |
| 1. Sanctions (OFAC/EU/UN) | CLEAR | ||
| 2. Fraud/Scam Exposure | CLEAR | ||
| 3. Ransomware/Darknet | CLEAR | ||
| 4. Mixer/CoinJoin | CLEAR | ||
| 5. Exchange Source Verif. | LOW | ||
| 6. Structuring/Layering | CLEAR | ||
| 7. Third-Party Risk | LOW | ||
| 8. Address Poisoning | MONITOR |
The investigation cannot determine the identity of the wallet controller with any confidence given the complete absence of attribution, the legacy address format, and 12 years of total passivity. The most likely scenarios are deep cold storage (60%), institutional reserve (30%), or estate/inaccessible key (10%). The poisoning campaign is confirmed automated and ongoing. The first outbound movement from this address — at any amount — would be the single highest-priority monitoring trigger in this dataset given the $3.83B at stake.
Flagged Patterns & Significant Observations
| ID | Date | Event | Severity | Significance |
| A-01 | 2014-05-27 | Genesis Deposit — ₿53,880. Single transfer of ₿53,880.053 (~$3.83B) received; no outflows in 4,378 days since. | CRITICAL | One of the largest known single-address BTC balances globally; 12-year complete dormancy is exceptional at this scale. |
| A-02 | LIFETIME | Sustained Address Poisoning Campaign. 259 distinct dust-sending counterparties have probed this address across 12 years (2014–2026); near-uniform DOW distribution confirms scripted automated operation. | NOTABLE | The scale and duration of the poisoning campaign (12 years, 259 senders) is one of the most extensive recorded for a single Bitcoin address. |
Fully unattributed deep cold storage holding ₿53,880 (~$3.83B) since 2014. Zero controller-initiated activity in 4,378 days. 259-counterparty automated address poisoning campaign confirmed. First any outbound transaction is the critical monitoring event.
Hypothesis Assessment
The 2014-05-27 genesis transfer of ₿53,880 followed by 12 years of total dormancy is most consistent with Bitcoin acquired in the early-era (pre-2014) and subsequently moved to cold storage, potentially with a lost or inaccessible private key. The P2PKH legacy address format and the complete absence of any outflow — even partial — across 4,378 days argues against an active, solvent holder who would have at minimum swept dust for consolidation.
The scale of the holding (~$3.83B) and the 2014-era P2PKH format is compatible with an early-stage exchange, mining pool, or institutional custodian that consolidated large reserves onto a single cold address. The zero-outflow pattern could reflect a deliberate long-term custody strategy rather than an inaccessible key — some institutions maintain a single cold address as a reserve without moving it for years.
The combination of extreme balance, early genesis date, and complete inactivity may indicate that the original key holder is deceased or incapacitated and the wallet has never been accessed by an estate or successor. The absence of any partial movement for 12 years is more consistent with inaccessibility than deliberate retention.
Probabilities sum to 100%. Attribution confidence: 60.
Government Records · Press Coverage · Research & Analytics · Blockchain Intelligence
Priority Actions & Engagement Opportunities
| P1 | Set Outbound Movement Alert — Configure blockchain monitoring alert on 1LdRcdxfbSnmCYYNdeYpUnztiYzVfBEQeC for any outbound transaction; first movement after 12-year dormancy is the highest-priority trigger for this address. · On-chain |
| P2 | Extended Origination Trace — Expand the origination trace beyond 5 hops from 1GLEtzJ1H2zoGrUA4RMbRJam5UJSdrk6T2 using graph analysis tools; the 2013-era address likely connects to a larger known wallet cluster. · OSINT |
| P3 | Pre-position EDD Intelligence — Given the $3.83B scale, institutions should pre-build an EDD file on this address so that any downstream funds processing can be handled with appropriate due diligence without delay. · Regulatory |
No immediate SAR or regulatory filing required. Set an outbound movement alert and pre-position enhanced due diligence documentation. If this wallet moves, it will require immediate attention from any institution in the downstream flow path.
| REF | SOURCE |
|---|---|
| S-01 | Blockchain.com — Bitcoin Address Explorer https://www.blockchain.com/explorer/addresses/btc/1LdRcdxfbS… Full BTC transaction history via blockchain.com API. Primary quantitative data source. Retrieved 2026-06-01. |
| S-02 | OKLink — BTC Address Detail & Counterparty Profiles https://www.oklink.com/btc/address/1LdRcdxfbSnmCYYNdeYpUnzti… Balance, UTXO count, inscription tokens, counterparty sub-profiles. Retrieved 2026-06-01. |
| S-03 | Arkham Intelligence — Entity & Portfolio Profile https://intel.arkm.com/explorer/address/1LdRcdxfbSnmCYYNdeYp… Entity label and portfolio value snapshot. Retrieved 2026-06-01. |
| S-04 | Mempool.space — Bitcoin Mempool Explorer https://mempool.space/address/1LdRcdxfbSnmCYYNdeYpUnztiYzVfB… Mempool status and last confirmed transaction. Retrieved 2026-06-01. |
| S-05 | WalletExplorer — Cluster Attribution https://www.walletexplorer.com/address/1LdRcdxfbSnmCYYNdeYpU… Cluster label from WalletExplorer API. Retrieved 2026-06-01. |
| S-06 | OFAC SDN List — Sanctions Screen https://sanctionssearch.ofac.treas.gov Sanctions screen against OFAC Specially Designated Nationals list. Retrieved 2026-06-01. |
| S3 | Arkham -- Address Profile https://intel.arkm.com/explorer/address/1LdRcdxfbSnmCYYNdeYp… Screenshot captured 2026-06-01. File: screenshot_arkham.png |
| S4 | Blockchain -- Address Profile https://www.blockchain.com/explorer/addresses/btc/1LdRcdxfbS… Screenshot captured 2026-06-01. File: screenshot_blockchain.png |
| S5 | Oklink -- Address Profile https://www.oklink.com/btc/address/1LdRcdxfbSnmCYYNdeYpUnzti… Screenshot captured 2026-06-01. File: screenshot_oklink.png |
| S6 | Mempool -- Address Profile https://mempool.space/address/1LdRcdxfbSnmCYYNdeYpUnztiYzVfB… Screenshot captured 2026-06-01. File: screenshot_mempool.png |
| TERM | DEFINITION |
|---|---|
| P2PKH (Pay-to-Public-Key-Hash) | Bitcoin's original address format (1xxx), encoding the hash of a public key; the standard from 2009 through approximately 2017 before P2SH and SegWit became common. |
| Address Poisoning | A technique where attackers send tiny amounts of cryptocurrency to a target wallet to poison its transaction history, hoping the owner will accidentally reuse the malicious address in a future transaction. |
| Deep Cold Storage | Long-term offline custody of cryptocurrency where the private key is held in a secure, air-gapped environment and the address is not expected to transact for extended periods. |
| Dust Transaction | A Bitcoin transaction of a very small amount (typically under 1,000 satoshis) that is economically non-viable to spend on its own due to transaction fees; commonly used in address poisoning campaigns. |