ToneTag, an offline mobile payments startup, is in talks to raise $50 Mn in a funding round led by Iron Pillar.
The funding round will include a primary capital infusion of $30-$35 Mn and is expected to more than double the startup's valuation.
ToneTag offers audio-based authentication and proximity payment solutions and has raised over $10 Mn in funding so far.
Iron Pillar, a Mumbai-based venture growth investor, plans to invest in Series B and C stage SaaS startups and has previously invested in logistics startup Pando.