Javascript 无法连接bitcore testnet，出现以下错误525原始SSL握手错误

我正试图在比特币测试网络上创建一个转码。当我运行insight.getUnpentutXOS（）时，它返回一个错误

var bitcore = require('bitcore-lib');

var explorers = require('bitcore-explorers');
var insight = new explorers.Insight('testnet');

var value = Buffer.from('I am trying to create new private key');
var hash = bitcore.crypto.Hash.sha256(value);
var BN = bitcore.crypto.BN.fromBuffer(hash);
var privateKeyNew = bitcore.PrivateKey(BN, 'testnet')
var myAddress = privateKeyNew.toAddress()
console.log(myAddress);

var newValue = Buffer.from('I am trying to create new private key but that can be risky');
var newhash = bitcore.crypto.Hash.sha256(newValue);
var newBN = bitcore.crypto.BN.fromBuffer(newhash);
var privateKey = bitcore.PrivateKey(newBN, 'testnet')
var address = privateKey.toAddress();
console.log(address);

insight.getUnspentUtxos(myAddress, ( err, utxo ) => {
    if(err) {
        console.log(err);
        return err;
    } else {
        let tx = bitcore.Transaction()
        tx.from(utxo);
        tx.to(address,10000);
        tx.fee(50000);
        tx.change(myAddress);
        tx.sign(privateKeyNew);
        tx.serialize();

        insight.broadcast(tx.toString(), (error, txid) => {
            if(error) {
                return error;
            } else { 
                console.log(txid);
        }
    })
}

})

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当UnspentUtxos（）执行时，会出现一些长而大的错误。描述错误525来源SSL的Hanshake错误

bitcore

正在使用

bitpay

作为默认提供程序服务器，并且由于某些原因，它无法工作。他们还建议更改中的默认服务器。 尝试将提供程序更改为

zelcore

，如下所示：

const explorers = require("bitcore-explorers");
const insight = new explorers.Insight("https://explorer.btc.zelcore.io");

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