420295<span class='red'>区</span><span class='red'>块</span><span class='red'>链</span>即服务（BaaS） 420279使用<span class='red'>区</span><span class='red'>块</span><span class='red'>链</span>技术的用户认证服务 420302<span class='red'>区</span><span class='red'>块</span><span class='red'>链</span>上智能合约的计算机编程

<span class='red'>海</span>图更新服务

<span class='red'>海</span>洋测绘服务

<span class='red'>海</span>水淡化技术研究

380057提供<span class='red'>区</span><span class='red'>块</span><span class='red'>链</span>网络接入服务 提供与<span class='red'>区</span><span class='red'>块</span><span class='red'>链</span>网络的电信连接服务

360130通过<span class='red'>区</span><span class='red'>块</span><span class='red'>链</span>技术提供电子资金转账 <span class='red'>海</span>外市场有价证券期货交易

退休社<span class='red'>区</span>的不动产管理

<span class='red'>海</span>上火灾保险 <span class='red'>海</span>事事故保险 360039<span class='red'>海</span>上保险承保 <span class='red'>海</span>上运输保险 <span class='red'>海</span>上运输保险承保 <span class='red'>海</span>上事故保险承保 <span class='red'>海</span>上火灾保险承保

360011<span class='red'>海</span>关金融经纪服务

包含<span class='red'>区</span><span class='red'>块</span><span class='red'>链</span>技术的电信网络设备的安装

铺砖、砌砖或垒<span class='red'>块</span>

公共<span class='red'>海</span>滩的清洁

辐射<span class='red'>区</span>净化服务 <span class='red'>海</span>洋垃圾处理

<span class='red'>海</span>鲜食品加工

<span class='red'>海</span>水淡化处理