Crypto exchange Binance announced the listing of Zksync (ZK) trading pairs and a token distribution program aimed at addressing community concerns about the token airdrop.

Starting at 10:00 (UTC) on Jun. 17, the ZK token will be available for spot trading on Binance in pairs against Bitcoin (BTC), Tether (USDT), First Digital USD (FDUSD), and the Turkish Lira (TRY). Users are encouraged to deposit ZK for trading, with withdrawals becoming available the following day. Additionally, Binance plans to allocate 10.5 million tokens to approximately 52,000 users through a token giveaway program.

To qualify for the Binance ZK token distribution scheme, users must have conducted a minimum of 50 Zksync Era transactions between February 2023 and March 2024, spread over at least seven different months during that period. Those who obtained ZK tokens via the official ZK Nation airdrop program will also be ineligible.

ZK will be given to eligible addresses on a first-come, first-served basis, with the first token airdrop scheduled for Jun. 25, according to Binance.

The exchange acknowledged in its statement that the community has ongoing concerns over ZK token distribution, which was first announced by the Zksync Association last week.

The community’s reaction to the ZK listing varied across social media, with some labeling the Zksync initiative a scam.

The criticism stems from the airdrop program’s lack of safeguards against Sybil attacks. These attacks occur when someone creates a large number of fake accounts to obtain more tokens while farming the airdrop, making it harder to distribute tokens evenly.

Polygon’s chief information security officer, Mudit Gupta, also criticized the Zksync airdrop, describing it in a social media post as the β€œmost farmable and farmed airdrop ever.”

In response to the criticism, the ZK team reaffirmed its commitment to the planned approach, addressing queries in a FAQ section to assuage key concerns.

Meanwhile, the Seychelles-based crypto exchange KuCoin also announced the listing of the same Zksync (ZK) trading pairs starting at 8:00 (UTC) on Jun. 17. KuCoin users can deposit ZK in preparation for trading, with withdrawals enabled starting at 10:00 (UTC) on Jun. 18.

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