Global digital asset investment products saw their fourth consecutive week of inflows, totaling $185 million, as reported in CoinShares' weekly update.

The report highlighted that these inflows boosted May's total to $2 billion, marking the first time year-to-date inflows surpassed $15 billion, despite a drop in trading volume to $8 billion from the previous week's $13 billion.

Investor interest remained strong in Bitcoin (BTC), with the cryptocurrency driving most of the flows into crypto investment products. Bitcoin alone saw inflows of $148 million during the week, contrasting with outflows of $3.5 million from short BTC products.

In terms of regions, the United States led with $130 million in inflows, even though Grayscale's GBTC reported an outflow of $260 million. Notably, spot Bitcoin ETFs managed by BlackRock and Fidelity recorded substantial inflows totaling $475 million during the period.

Switzerland experienced its second-largest inflows of the year, totaling $36 million, while Canada rebounded with $25 million in inflows after several weeks of outflows totaling $39 million for the month.

Hong Kong also reversed its outflow trend, registering modest inflows of $1.7 million for the week.

Regarding Ethereum (ETH), related investment products witnessed their second consecutive week of inflows, attracting $34.5 million from investors. This positive trend followed the Securities and Exchange Commission's (SEC) approval of several spot Ethereum ETF products under 19b-4 filings. Prior to this approval, ETH had experienced 10 consecutive weeks of outflows totaling $200 million.

Experts anticipate Ethereum ETFs could commence trading as early as July, although Bloomberg ETF analyst James Seyffart noted that definitive timelines hinge on the approval of issuers' S-1 filings by financial regulators.

Additionally, the upbeat sentiment in Ethereum extended to investments in other major altcoins like Solana, which saw inflows of $5.8 million. Assets such as Chainlink, XRP, and Litecoin also recorded minor inflows, each below $1 million.