South Korea's Tax Authority Eyes Advanced Crypto Tracking Tech to Catch Tax Evaders

South Korea's National Tax Service (NTS) is making a serious move to tighten enforcement: they've opened bidding for specialized software to track virtual asset transactions and root out tax evasion. This isn't theater—it's preparation for the country's incoming 2027 crypto tax regime.

The Tender Details

The NTS posted a procurement notice for "virtual asset tax evasion response transaction-tracking software licenses" with a budget of 146.5 million won (approximately $99,500), including VAT. The tight timeline tells you this is a priority: delivery is due within 30 days of contract signing, with bid submissions running April 28-30 and evaluation scheduled for May 7.

The notice itself is sparse on technical specifications, but ZDNet Korea sourced details from an NTS scientific investigation unit official. The software would deliver real-time crypto transaction monitoring, wallet-to-exchange transfer visualization, and investigative support for hidden assets, offshore tax evasion, and unreported inheritance or gift transfers. In other words: they're building infrastructure to see where crypto money moves and who's hiding it.

Part of a Larger Strategy

This tender isn't happening in isolation. Back in March, the NTS already opened bidding for an AI-backed system to analyze crypto transaction data at scale. We're looking at a coordinated effort to establish enforcement platforms capable of processing massive trading volumes before the hammer drops in 2027.

What's Coming in 2027

South Korea's crypto tax rollout—delayed multiple times already—is now locked in for January 2027. Here's what traders need to know: gains exceeding 2.5 million won (roughly $1,700) face a combined 22% levy: 20% income tax plus 2% local tax. For anyone with meaningful portfolio positions, this is a material impact on after-tax returns.

The policy remains politically contentious. On March 19, the opposition People Power Party formally proposed scrapping the tax entirely, citing fairness concerns, potential double-taxation issues, and enforcement challenges. That political pushback matters—though the NTS's aggressive tech procurement suggests they're betting the tax sticks regardless.