Bitcoin rose on ETF demand while miners sold BTC; margins tightened and AI/HPC-focused pivots could turn miners into AI data-center players, potentially boosting valuations as AI demand grows.Abstract: Bitcoin rose on ETF demand amid miner selling and tight margins. The report highlights a strategic pivot by public miners toward AI/HPC infrastructure, signaling a potential shift from pure bitcoin mining to AI data-center services and higher valuation multiples.

CryptoFrontier

2026-04-21 09:32:42

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Bitcoin climbed above US$75,000 on ceasefire hopes between Iran and Pakistan, gaining 1.5% in 24 hours, while ether rose 1.2%, according to CoinDesk. Despite the cryptocurrency’s gains, it lagged a broader rally in global equities. The price movement occurred amid significant institutional buying and structural shifts in the mining sector.

Spot ETF Inflows Support Price While Miners Face Pressure

Spot bitcoin exchange-traded funds drew US$996.4 million in net inflows, with BlackRock’s IBIT accounting for US$612 million of that demand, according to the report. This institutional buying has helped offset selling pressure from public bitcoin miners, who sold a record 32,000 BTC in the first quarter.

Mining margins remain tight, with mining difficulty falling 2.43% in the period. According to CoinShares, a digital-asset investment research firm, the weighted average cash cost to produce one bitcoin reached approximately US$79,995 in Q4 2025, creating pressure on miner profitability. Bitcoin perpetual futures funding rates stayed negative for about 46 straight days, reflecting subdued leverage positioning.

These dynamics raise questions about whether prices can hold above the US$76,000 to US$80,000 range, as the market navigates competing forces of institutional ETF demand and miner liquidations.

Bitcoin Miners Shift Strategy Toward AI Infrastructure

Tighter mining economics are accelerating a strategic pivot by public bitcoin miners toward high-performance computing (HPC) and AI infrastructure. Some firms are repurposing existing power and cooling infrastructure for AI workloads rather than bitcoin mining.

According to CoinShares, listed miners could derive as much as 70% of revenue from AI by year-end, up from approximately 30% currently. This shift is reflected in valuation multiples: miners with secured HPC contracts trade at an enterprise value-to-next-12-month sales (EV/NTM sales) multiple of 12.3x, compared to 5.9x for pure-play bitcoin miners, according to CoinShares.

This transformation marks a fundamental change in the mining sector, with companies transitioning from single-asset bets on bitcoin prices to broader infrastructure businesses competing in the AI data center market.

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