Case closed#039FIELD OPClosed

The Deadman Switch

365 days of silence triggered an inheritance.

Final

Closed

25/25Hits claimedNone left

Bounty per hit1,900USDC

Hunters entered34

Your clock—

Briefing

A wallet set up a dead man's switch: if it stayed silent for a year, everything goes to an heir.

Last night a keeper fired the switch. 214 ETH moved internally.

Three wallets say they're the heir. The chain says only one is.

Objective

Identify the beneficiary the switch paid out to.

Intelligence

SWITCH CONTRACT
OWNER
SILENCE REQUIRED: 365 days
PAYOUT: 214 ETH (internal)
KNOWN WALLETS: 8

Clues

3/3

01
Only the owner can name the heir.
02
Failed transactions change nothing.
03
The switch pays whoever the owner named last.

Trace map

Select a wallet to open its dossier

Transfer Contract call Flagged8 wallets · 6 txs

Ledger

Tx	Time (UTC)	Value	Method	Block · Pos
01	2025-08-30 · 11:20:04	214 ETH	setup(heir: 0xc6fe…8431, 365 days)	20,568,343pos 28
02	2025-09-29 · 23:58:31	—	updateBeneficiary(0xbfca…faf4)	20,788,135pos 19
03	2026-01-12 · 03:44:10	—	updateBeneficiary(0xbc9f…1c29)Reverted	21,538,063pos 26
04	2026-09-30 · 00:14:09	—	execute()	23,416,213pos 101
05	2026-09-30 · 00:31:50	—	claim()Reverted	23,416,302pos 89
06	2026-09-30 · 02:05:12	50 ETH	transfer	23,416,769pos 42

01 · 2025-08-30 · 11:20:04214 ETH
setup(heir: 0xc6fe…8431, 365 days)· blk 20,568,343 · pos 28
02 · 2025-09-29 · 23:58:31call
updateBeneficiary(0xbfca…faf4)· blk 20,788,135 · pos 19
03 · 2026-01-12 · 03:44:10call
updateBeneficiary(0xbc9f…1c29)REVERTED· blk 21,538,063 · pos 26
04 · 2026-09-30 · 00:14:09call
execute()· blk 23,416,213 · pos 101
05 · 2026-09-30 · 00:31:50call
claim()REVERTED· blk 23,416,302 · pos 89
06 · 2026-09-30 · 02:05:1250 ETH
transfer· blk 23,416,769 · pos 42

Evidence from the season's simulated network. Times in UTC.

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4.6 from 330 hunters · case by HITMAN HQ

Case closedSubmissions are sealed.

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Acquiring intelligence…

Time (UTC)

From

Value

Method

Block · Pos

2025-08-30 · 11:20:04

214 ETH

setup(heir: 0xc6fe…8431, 365 days)

20,568,343pos 28

2025-09-29 · 23:58:31

—

updateBeneficiary(0xbfca…faf4)

20,788,135pos 19

2026-01-12 · 03:44:10

—

updateBeneficiary(0xbc9f…1c29)Reverted

21,538,063pos 26

2026-09-30 · 00:14:09

—

execute()

23,416,213pos 101

2026-09-30 · 00:31:50

—

claim()Reverted

23,416,302pos 89

2026-09-30 · 02:05:12

50 ETH

transfer

23,416,769pos 42

The Deadman Switch

Briefing

Intelligence

Clues

Trace map

Ledger

Winners

On this case

Quiet

The Deadman Switch

Briefing

Intelligence

Clues

Trace map

Ledger

Winners

On this case

Quiet