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Warning signal

Block-Dependent Logic

Behavior changes past a block number or timestamp comparison.

Analyzer: Source-Code Analysis
Slug: block_dependent_logic

What it means

The source gates logic on block.number or block.timestamp comparisons. Anything from honest launch phases to delayed traps: fees, limits or transfers that flip at a predetermined point.

Why it matters

Delayed traps are designed to outlive launch scanners: every check passes today, the trap arms next week. Block comparisons in token logic deserve manual reading.

How RektRadar detects it

Source regex on block.number/timestamp comparisons, raised as warning.

From our dataset

9,184
tokens carried this flag
7,058
of them classified scam
76.9%
of tokens with this flag end up classified scam
459
flagged in the last 30 days

Top brand-jacked tickers carrying this flag: $SATURNOMNI, $Laika, $SPCX, $USDT, $ETH

Pool version of the flagged tokens that trade: V4 4,549 · V2 2,630 · V3 838

Snapshot from RektRadar's token_analysis database as of 2026-08-17.

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Related signals

Blacklist Mapping - The contract can blacklist any address from selling - a kill-list with no notice period. Owner Not Renounced - The contract still has an owner - nothing prevents a future privileged change. Upgradeable Proxy - The contract is a proxy - its logic can be swapped without users' consent. Proxy Admin Role - An admin role exists and can change the proxy's implementation contract. Beacon Proxy - Multiple contracts share a single upgradeable implementation - one switch rugs all of them.