Blockhead

Tether Investments has participated in a $134 million financing round for Stablecoin Development Corporation (NYSE American: SDEV), a publicly traded company focused on providing public market access to the stablecoin economy and advancing digital asset infrastructure. The round included participation from R01 Fund LP, Framework Ventures, and other investors active in the digital asset space, according to an April 15 announcement from Tether.

Singapore's sandwich class — middle-income households caught between supporting ageing parents and raising children — has emerged as the most methodical crypto investor segment in the country, according to the sixth edition of Independent Reserve's annual Cryptocurrency Index, released Wednesday. The findings cut against the common assumption that crypto is primarily a young person's game.

OKX Singapore has launched OKX Card, a stablecoin-powered Visa debit card that lets customers spend USDC, USDT, or USDG directly from their OKX Pay wallet at any Visa merchant globally. The conversion to local fiat happens at point of sale, handled by Visa and StraitsX — a regulated Singapore payment service provider. The product is natively linked to OKX Pay, the exchange's self-custodial digital payments feature.

Tether on Tuesday unveiled tether.wallet, marking its first consumer-facing product after more than a decade operating primarily as settlement infrastructure for exchanges, protocols, and payment businesses. The wallet lets users transfer funds using simple identifiers like name@tether.me instead of public wallet addresses, and fees are deducted in the asset being sent — removing two persistent friction points in blockchain-based payments. Say goodbye to long, confusing blockchain addresses.

Crypto.com Derivatives North America (CDNA) has executed a definitive agreement with High Roller Technologies (NYSE: ROLR), a Las Vegas-based online casino operator, to offer event-based prediction contracts to US customers, according to an announcement on Tuesday. The news sent ROLR shares up as much as 130% before closing around +45.58% at $7.41.

The S&P 500 climbed 1% on Tuesday, completing a full recovery of losses incurred since the US-Iran conflict began in late February. The equal-weight S&P 500 also rose 1%, while the Russell 2000 outperformed at +1.5%. The Nasdaq 100 extended a nine-game winning streak — its strongest run since September 2025. The inflection point was Trump's comments that Iran wants to talk.

The prediction market industry keeps breaking its own records, and each time the question is the same: is this another spike, or has something fundamentally shifted? The week of April 6–11 offers the clearest answer yet. Combined notional volume across tracked platforms hit $6.5 billion — an all-time high, according to DeFi Rate's prediction markets dashboard — surpassing the prior record of $5.94 billion set during March Madness. (DeFi Rate) But the volume is almost secondary to what drove it.

Kraken disclosed on Monday that a criminal group is attempting to extort the exchange by threatening to release videos purportedly showing access to its internal systems and client data, unless the company complies with unspecified demands. The exchange says it will not pay.

Bitcoin climbed to $74,442 on Tuesday, up 5.2% over the past 24 hours and 8.1% over the week, reversing from Sunday's low of $70,500 as reports emerged that Iran was considering abandoning uranium enrichment as a peace concession. The US blockade of the Strait of Hormuz remains in effect, but the absence of further escalation has allowed risk assets to recover. The move mirrors broader market behavior: the S&P 500 closed Wednesday's session at 6,886.24, or +1.02%.

When Hong Kong issued its first last Friday, the crypto industry celebrated. A major financial hub had formalised a path for digital dollar-equivalents, bringing institutional credibility and regulatory clarity. Another brick in the wall of mainstream adoption. Look more closely at who got the licences and how the tokens are designed to work, and the picture is considerably more complicated.